NIST Guide to the SI, Appendix B.8: Factors for Units Listed Alphabetically

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href="https://x.com/intent/tweet?url=https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8&status=https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8" title="X.com" class="nist-social nist-social--x-gray"> X.com </a> </div> <div> <a href="mailto:?subject=NIST.gov&body=Check out this site https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8" title="Email" class="nist-social nist-social--envelope-gray"> Email </a> </div> </div> </div> </div>  </div> <div class="nist-block" > <div class="text-with-summary"> <a name="top"></a>Caution: The units listed in column 1 are in general not to be used in NIST publications, with the exception of those few in italic type. <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-appendix-b8#A">A</a> <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-appendix-b8#B">B</a> <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-appendix-b8#C">C</a> <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-appendix-b8#D">D</a> <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-appendix-b8#E">E</a> <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-appendix-b8#F">F</a> <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-appendix-b8#G">G</a> <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-appendix-b8#H">H</a> <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-appendix-b8#I">I</a> J <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-appendix-b8#K">K</a> <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-appendix-b8#L">L</a> <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-appendix-b8#M">M</a> N <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-appendix-b8#O">O</a> <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-appendix-b8#P">P</a> <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-appendix-b8#Q">Q</a> <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-appendix-b8#R">R</a> <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-appendix-b8#S">S</a> <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-appendix-b8#T">T</a> <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-appendix-b8#U">U</a> V <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-appendix-b8#W">W</a> X <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-appendix-b8#Y">Y</a> Z Factors in boldface are exact <a name="A"></a> <table align="center"> <tbody> <tr> <th colspan="4" scope="col">A</th> </tr> <tr> <th>To convert from</th> <th>to</th> <th colspan="2">Multiply by</th> </tr> <tr> <td>abampere</td> <td>ampere (A)</td> <td>1.0</td> <td>E+01 </td> </tr> <tr> <td>abcoulomb</td> <td>coulomb (C)</td> <td>1.0</td> <td>E+01 </td> </tr> <tr> <td>abfarad</td> <td>farad (F)</td> <td>1.0</td> <td>E+09 </td> </tr> <tr> <td>abhenry</td> <td>henry (H)</td> <td>1.0</td> <td>E-09 </td> </tr> <tr> <td>abmho</td> <td>siemens (S)</td> <td>1.0</td> <td>E+09 </td> </tr> <tr> <td>abohm</td> <td>ohm (Ω)</td> <td>1.0</td> <td>E-09 </td> </tr> <tr> <td>abvolt</td> <td>volt (V)</td> <td>1.0</td> <td>E-08 </td> </tr> <tr> <td>acceleration of free fall, standard (gn)</td> <td>meter per second squared (m / s2)</td> <td>9.806 65</td> <td>E+00 </td> </tr> <tr> <td>acre (based on U.S. survey foot)</td> <td>square meter (m2)</td> <td>4.046 873</td> <td>E+03</td> </tr> <tr> <td>acre foot (based on U.S. survey foot) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f07">7</a></td> <td>cubic meter (m3)</td> <td>1.233 489</td> <td>E+03</td> </tr> <tr> <td>ampere hour (A · h)</td> <td>coulomb (C)</td> <td>3.6</td> <td>E+03 </td> </tr> <tr> <td>ångström (Å)</td> <td>meter (m)</td> <td>1.0</td> <td>E-10 </td> </tr> <tr> <td>ångström (Å)</td> <td>nanometer (nm)</td> <td>1.0</td> <td>E-01 </td> </tr> <tr> <td>are (a)</td> <td>square meter (m2)</td> <td>1.0</td> <td>E+02 </td> </tr> <tr> <td>astronomical unit (au)</td> <td>meter (m)</td> <td>1.495 979</td> <td>E+11</td> </tr> <tr> <td>atmosphere, standard (atm)</td> <td>pascal (Pa)</td> <td>1.013 25</td> <td>E+05 </td> </tr> <tr> <td>atmosphere, standard (atm)</td> <td>kilopascal (kPa)</td> <td>1.013 25</td> <td>E+02 </td> </tr> <tr> <td>atmosphere, technical (at) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f08">8</a></td> <td>pascal (Pa)</td> <td>9.806 65</td> <td>E+04 </td> </tr> <tr> <td>atmosphere, technical (at) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f08">8</a></td> <td>kilopascal (kPa)</td> <td>9.806 65</td> <td>E+01</td> </tr> </tbody> </table> <a href="#top">Return to top</a> <a name="B"></a> <table> <tbody> <tr> </tr> <tr> <th colspan="4" scope="col">B</th> </tr> <tr> <th>To convert from</th> <th>to</th> <th colspan="2">Multiply by</th> </tr> <tr> <td>bar (bar)</td> <td>pascal (Pa)</td> <td>1.0</td> <td>E+05 </td> </tr> <tr> <td>bar (bar)</td> <td>kilopascal (kPa)</td> <td>1.0</td> <td>E+02 </td> </tr> <tr> <td>barn (b)</td> <td>square meter (m2)</td> <td>1.0</td> <td>E-28 </td> </tr> <tr> <td>barrel [for petroleum, 42 gallons (U.S.)] (bbl)</td> <td>cubic meter (m3)</td> <td>1.589 873 </td> <td>E-01</td> </tr> <tr> <td>barrel [for petroleum, 42 gallons (U.S.)] (bbl)</td> <td>liter (L)</td> <td>1.589 873</td> <td>E+02</td> </tr> <tr> <td>biot (Bi)</td> <td>ampere (A)</td> <td>1.0</td> <td>E+01</td> </tr> <tr> <td>British thermal unitIT(BtuIT)<a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f09">9</a></td> <td>joule (J)</td> <td>1.055 056</td> <td>E+03</td> </tr> <tr> <td>British thermal unitth(Btuth) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f09">9</a></td> <td>joule (J)</td> <td>1.054 350</td> <td>E+03</td> </tr> <tr> <td>British thermal unit (mean) (Btu)</td> <td>joule (J)</td> <td>1.055 87</td> <td>E+03</td> </tr> <tr> <td>British thermal unit (39 °F) (Btu)</td> <td>joule (J)</td> <td>1.059 67</td> <td>E+03</td> </tr> <tr> <td>British thermal unit (59 °F) (Btu)</td> <td>joule (J)</td> <td>1.054 80</td> <td>E+03</td> </tr> <tr> <td>British thermal unit (60 °F) (Btu)</td> <td>joule (J)</td> <td>1.054 68</td> <td>E+03</td> </tr> <tr> <td>British thermal unitIT foot per hour square foot degree Fahrenheit [BtuIT · ft/(h · ft2 · °F)]</td> <td>watt per meter kelvin [W/(m · K)]</td> <td>1.730 735</td> <td>E+00</td> </tr> <tr> <td>British thermal unitth foot per hour square foot degree Fahrenheit [Btuth · ft/(h · ft2 · °F)]</td> <td>watt per meter kelvin [W/(m · K)]</td> <td>1.729 577</td> <td>E+00</td> </tr> <tr> <td>British thermal unitIT inch per hour square foot degree Fahrenheit [BtuIT · in/(h · ft2 · °F)]</td> <td>watt per meter kelvin [W/(m · K)]</td> <td>1.442 279</td> <td>E-01</td> </tr> <tr> <td>British thermal unitth inch per hour square foot degree Fahrenheit [Btuth · in/(h · ft2 · °F)]</td> <td>watt per meter kelvin [W / (m · K)]</td> <td>1.441 314</td> <td>E-01</td> </tr> <tr> <td>British thermal unitIT inch per second square foot degree Fahrenheit [BtuIT · in /(s · ft2 · °F)]</td> <td>watt per meter kelvin [W/(m · K)]</td> <td>5.192 204</td> <td>E+02</td> </tr> <tr> <td>British thermal unitth inch per second square foot degree Fahrenheit [Btuth · in /(s · ft2 · °F)]</td> <td>watt per meter kelvin [W/(m · K)]</td> <td>5.188 732</td> <td>E+02</td> </tr> <tr> <td>British thermal unitIT per cubic foot (BtuIT/ft3)</td> <td>joule per cubic meter (J/m3)</td> <td>3.725 895</td> <td>E+04</td> </tr> <tr> <td>British thermal unitth per cubic foot (Btuth/ft3)</td> <td>joule per cubic meter (J/m3)</td> <td>3.723 403</td> <td>E+04</td> </tr> <tr> <td>British thermal unitIT per degree Fahrenheit (BtuIT/°F)</td> <td>joule per kelvin (J/K)</td> <td>1.899 101</td> <td>E+03</td> </tr> <tr> <td>British thermal unitth per degree Fahrenheit (Btuth/°F)</td> <td>joule per kelvin (J/K)</td> <td>1.897 830</td> <td>E+03</td> </tr> <tr> <td>British thermal unitIT per degree Rankine (BtuIT/°R)</td> <td>joule per kelvin (J/K)</td> <td>1.899 101</td> <td>E+03</td> </tr> <tr> <td>British thermal unitth per degree Rankine (Btuth/°R)</td> <td>joule per kelvin (J/K)</td> <td>1.897 830</td> <td>E+03</td> </tr> <tr> <td>British thermal unitIT per hour (BtuIT/h)</td> <td>watt (W)</td> <td>2.930 711</td> <td>E-01</td> </tr> <tr> <td>British thermal unitth per hour (Btuth/h)</td> <td>watt (W)</td> <td>2.928 751</td> <td>E-01</td> </tr> <tr> <td>British thermal unitIT per hour square foot degree Fahrenheit [BtuIT/(h · ft2 · °F)]</td> <td>watt per square meter kelvin [W/(m2 · K)]</td> <td>5.678 263</td> <td>E+00</td> </tr> <tr> <td>British thermal unitth per hour square foot degree Fahrenheit [Btuth/(h · ft2 · °F)]</td> <td>watt per square meter kelvin [W/(m2 · K)]</td> <td>5.674 466</td> <td>E+00</td> </tr> <tr> <td>British thermal unitth per minute (Btuth/min)</td> <td>watt (W)</td> <td>1.757 250</td> <td>E+01</td> </tr> <tr> <td>British thermal unitIT per pound (BtuIT/lb)</td> <td>joule per kilogram (J/kg)</td> <td>2.326</td> <td>E+03 </td> </tr> <tr> <td>British thermal unitth per pound (Btuth/lb)</td> <td>joule per kilogram (J/kg)</td> <td>2.324 444</td> <td>E+03</td> </tr> <tr> <td>British thermal unitIT per pound degree Fahrenheit [BtuIT/(lb · °F)]</td> <td>joule per kilogram kelvin [J/(kg · K)]</td> <td>4.1868</td> <td>E+03 </td> </tr> <tr> <td>British thermal unitth per pound degree Fahrenheit [Btuth/(lb · °F)]</td> <td>joule per kilogram kelvin [J/(kg · K)]</td> <td>4.184</td> <td>E+03 </td> </tr> <tr> <td>British thermal unitIT per pound degree Rankine [BtuIT/(lb · °R)]</td> <td>joule per kilogram kelvin [J/(kg · K)]</td> <td>4.1868</td> <td>E+03 </td> </tr> <tr> <td>British thermal unitth per pound degree Rankine [Btuth/(lb · °R)]</td> <td>joule per kilogram kelvin [J/(kg · K)]</td> <td>4.184</td> <td>E+03 </td> </tr> <tr> <td>British thermal unitIT per second (BtuIT/s)</td> <td>watt (W)</td> <td>1.055 056</td> <td>E+03</td> </tr> <tr> <td>British thermal unitth per second (Btuth/s)</td> <td>watt (W)</td> <td>1.054 350</td> <td>E+03</td> </tr> <tr> <td>British thermal unitIT per second square foot degree Fahrenheit [BtuIT/(s · ft2 · °F)]</td> <td>watt per square meter kelvin [W/(m2 · K)]</td> <td>2.044 175</td> <td>E+04</td> </tr> <tr> <td>British thermal unitth per second square foot degree Fahrenheit [Btuth/(s · ft2 · °F)]</td> <td>watt per square meter kelvin [W/(m2 · K)]</td> <td>2.042 808</td> <td>E+04</td> </tr> <tr> <td>British thermal unitIT per square foot (BtuIT/ft2)</td> <td>joule per square meter (J/m2)</td> <td>1.135 653</td> <td>E+04</td> </tr> <tr> <td>British thermal unitth per square foot (Btuth/ft2)</td> <td>joule per square meter (J/m2)</td> <td>1.134 893</td> <td>E+04</td> </tr> <tr> <td>British thermal unitIT per square foot hour [BtuIT/(ft2 · h)]</td> <td>watt per square meter (W/m2)</td> <td>3.154 591</td> <td>E+00</td> </tr> <tr> <td>British thermal unitth per square foot hour [Btuth/(ft2 · h)]</td> <td>watt per square meter (W/m2)</td> <td>3.152 481</td> <td>E+00</td> </tr> <tr> <td>British thermal unitth per square foot minute [Btuth/(ft2 · min)]</td> <td>watt per square meter (W/m2)</td> <td>1.891 489</td> <td>E+02</td> </tr> <tr> <td>British thermal unitIT per square foot second [BtuIT/(ft2 · s)]</td> <td>watt per square meter (W/m2)</td> <td>1.135 653</td> <td>E+04</td> </tr> <tr> <td>British thermal unitth per square foot second [Btuth/(ft2 · s)]</td> <td>watt per square meter (W/m2)</td> <td>1.134 893</td> <td>E+04</td> </tr> <tr> <td>British thermal unitth per square inch second [Btuth/(in2 · s)]</td> <td>watt per square meter (W/m2)</td> <td>1.634 246</td> <td>E+06</td> </tr> <tr> <td>bushel (U.S.) (bu)</td> <td>cubic meter (m3)</td> <td>3.523 907</td> <td>E-02</td> </tr> <tr> <td>bushel (U.S.) (bu)</td> <td>liter (L)</td> <td>3.523 907</td> <td>E+01</td> </tr> </tbody> </table> <a href="#top">Return to top</a> <a name="C"></a> <table> <tbody> <tr> <th colspan="4" scope="col">C</th> </tr> <tr> <th>To convert from</th> <th>to</th> <th colspan="2">Multiply by</th> </tr> <tr> <td>calorieIT (calIT) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f10">10</a></td> <td>joule (J)</td> <td>4.1868</td> <td>E+00 </td> </tr> <tr> <td>calorieth (calth) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f10">10</a></td> <td>joule (J)</td> <td>4.184</td> <td>E+00 </td> </tr> <tr> <td>calorie (cal) (mean)</td> <td>joule (J)</td> <td>4.190 02</td> <td>E+00</td> </tr> <tr> <td>calorie (15 °C) (cal15)</td> <td>joule (J)</td> <td>4.185 80</td> <td>E+00</td> </tr> <tr> <td>calorie (20 °C) (cal20)</td> <td>joule (J)</td> <td>4.181 90</td> <td>E+00</td> </tr> <tr> <td>calorieIT, kilogram (nutrition) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f11">11</a></td> <td>joule (J)</td> <td>4.1868</td> <td>E+03 </td> </tr> <tr> <td>calorieth , kilogram (nutrition) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f11">11</a></td> <td>joule (J)</td> <td>4.184</td> <td>E+03 </td> </tr> <tr> <td>calorie (mean), kilogram (nutrition) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f11">11</a></td> <td>joule (J)</td> <td>4.190 02</td> <td>E+03</td> </tr> <tr> <td>calorieth per centimeter second degree Celsius [calth/(cm · s · °C)]</td> <td>watt per meter kelvin [W/(m · K)]</td> <td>4.184</td> <td>E+02 </td> </tr> <tr> <td>calorieIT per gram (calIT/g)</td> <td>joule per kilogram (J/kg)</td> <td>4.1868</td> <td>E+03 </td> </tr> <tr> <td>calorieth per gram (calth/g)</td> <td>joule per kilogram (J/kg)</td> <td>4.184</td> <td>E+03 </td> </tr> <tr> <td>calorieIT per gram degree Celsius [calIT/(g · °C)]</td> <td>joule per kilogram kelvin [J/(kg · K)]</td> <td>4.1868</td> <td>E+03 </td> </tr> <tr> <td>calorieth per gram degree Celsius [calth/(g · °C)]</td> <td>joule per kilogram kelvin [J/(kg · K)]</td> <td>4.184</td> <td>E+03 </td> </tr> <tr> <td>calorieIT per gram kelvin [calIT/(g · K)]</td> <td>joule per kilogram kelvin [J/(kg · K)]</td> <td>4.1868</td> <td>E+03 </td> </tr> <tr> <td>calorieth per gram kelvin [calth/(g· K)]</td> <td>joule per kilogram kelvin [J/(kg · K)]</td> <td>4.184</td> <td>E+03 </td> </tr> <tr> <td>calorieth per minute (calth/min)</td> <td>watt (W)</td> <td>6.973 333</td> <td>E-02</td> </tr> <tr> <td>calorieth per second (calth/s)</td> <td>watt (W)</td> <td>4.184</td> <td>E+00 </td> </tr> <tr> <td>calorieth per square centimeter (calth/cm2)</td> <td>joule per square meter (J/m2)</td> <td>4.184</td> <td>E+04 </td> </tr> <tr> <td>calorieth per square centimeter minute [calth/(cm2 · min)]</td> <td>watt per square meter (W/m2)</td> <td>6.973 333</td> <td>E+02</td> </tr> <tr> <td>calorieth per square centimeter second [calth/(cm2 · s)]</td> <td>watt per square meter (W/m2)</td> <td>4.184</td> <td>E+04 </td> </tr> <tr> <td>candela per square inch (cd/in2)</td> <td>candela per square meter (cd/m2)</td> <td>1.550 003</td> <td>E+03</td> </tr> <tr> <td>carat, metric</td> <td>kilogram (kg)</td> <td>2.0</td> <td>E-04 </td> </tr> <tr> <td>carat, metric</td> <td>gram (g)</td> <td>2.0</td> <td>E-01 </td> </tr> <tr> <td>centimeter of mercury (0 °C) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f12">12</a></td> <td>pascal (Pa)</td> <td>1.333 22</td> <td>E+03</td> </tr> <tr> <td>centimeter of mercury (0 °C) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f12">12</a></td> <td>kilopascal (kPa)</td> <td>1.333 22</td> <td>E+00</td> </tr> <tr> <td>centimeter of mercury, conventional (cmHg) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f12">12</a></td> <td>pascal (Pa)</td> <td>1.333 224</td> <td>E+03</td> </tr> <tr> <td>centimeter of mercury, conventional (cmHg) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f12">12</a></td> <td>kilopascal (kPa)</td> <td>1.333 224</td> <td>E+00</td> </tr> <tr> <td>centimeter of water (4 °C) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f12">12</a></td> <td>pascal (Pa)</td> <td>9.806 38</td> <td>E+01</td> </tr> <tr> <td>centimeter of water, conventional (cmH2O)<a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f12">12</a></td> <td>pascal (Pa)</td> <td>9.806 65</td> <td>E+01</td> </tr> <tr> <td>centipoise (cP)</td> <td>pascal second (Pa · s)</td> <td>1.0</td> <td>E-03 </td> </tr> <tr> <td>centistokes (cSt)</td> <td>meter squared per second (m2/s)</td> <td>1.0</td> <td>E-06 </td> </tr> <tr> <td>chain (based on U.S. survey foot) (ch) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f07">7</a></td> <td>meter (m)</td> <td>2.011 684</td> <td>E+01</td> </tr> <tr> <td>circular mil</td> <td>square meter (m2)</td> <td>5.067 075</td> <td>E-10</td> </tr> <tr> <td>circular mil</td> <td>square millimeter (mm2)</td> <td>5.067 075</td> <td>E-04</td> </tr> <tr> <td>clo</td> <td>square meter kelvin per watt (m2 · K/W)</td> <td>1.55</td> <td>E-01</td> </tr> <tr> <td>cord (128 ft3)</td> <td>cubic meter (m3)</td> <td>3.624 556</td> <td>E+00</td> </tr> <tr> <td>cubic foot (ft3)</td> <td>cubic meter (m3)</td> <td>2.831 685</td> <td>E-02</td> </tr> <tr> <td>cubic foot per minute (ft3/min)</td> <td>cubic meter per second (m3/s)</td> <td>4.719 474</td> <td>E-04</td> </tr> <tr> <td>cubic foot per minute (ft3/min)</td> <td>liter per second (L/s)</td> <td>4.719 474</td> <td>E-01</td> </tr> <tr> <td>cubic foot per second (ft3/s)</td> <td>cubic meter per second (m3/s)</td> <td>2.831 685</td> <td>E-02</td> </tr> <tr> <td>cubic inch (in3) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f13">13</a></td> <td>cubic meter (m3)</td> <td>1.638 706</td> <td>E-05</td> </tr> <tr> <td>cubic inch per minute (in3/min)</td> <td>cubic meter per second (m3/s)</td> <td>2.731 177</td> <td>E-07</td> </tr> <tr> <td>cubic mile (mi3)</td> <td>cubic meter (m3)</td> <td>4.168 182</td> <td>E+09</td> </tr> <tr> <td>cubic yard (yd3)</td> <td>cubic meter (m3)</td> <td>7.645 549</td> <td>E-01</td> </tr> <tr> <td>cubic yard per minute (yd3/min)</td> <td>cubic meter per second (m3/s)</td> <td>1.274 258</td> <td>E-02</td> </tr> <tr> <td>cup (U.S.)</td> <td>cubic meter (m3)</td> <td>2.365 882</td> <td>E-04</td> </tr> <tr> <td>cup (U.S.)</td> <td>liter (L)</td> <td>2.365 882</td> <td>E-01</td> </tr> <tr> <td>cup (U.S.)</td> <td>milliliter (mL)</td> <td>2.365 882</td> <td>E+02</td> </tr> <tr> <td>curie (Ci)</td> <td>becquerel (Bq)</td> <td>3.7</td> <td>E+10 </td> </tr> </tbody> </table> <a name="D"></a> <a href="#top">Return to top</a> <table> <tbody> <tr> <th colspan="4" scope="col">D</th> </tr> <tr> <th>To convert from</th> <th>to</th> <th colspan="2">Multiply by</th> </tr> <tr> <td>darcy <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f14">14</a></td> <td>meter squared (m2)</td> <td>9.869 233</td> <td>E-13</td> </tr> <tr> <td>day (d)</td> <td>second (s)</td> <td>8.64</td> <td>E+04 </td> </tr> <tr> <td>day (sidereal)</td> <td>second (s)</td> <td>8.616 409</td> <td>E+04</td> </tr> <tr> <td>debye (D)</td> <td>coulomb meter (C · m)</td> <td>3.335 641</td> <td>E-30</td> </tr> <tr> <td>degree (angle) (°)</td> <td>radian (rad)</td> <td>1.745 329</td> <td>E-02</td> </tr> <tr> <td>degree Celsius (temperature) (°C)</td> <td>kelvin (K)</td> <td colspan="2">T/K = t/°C + 273.15</td> </tr> <tr> <td>degree Celsius (temperature interval) (°C)</td> <td>kelvin (K)</td> <td>1.0</td> <td>E+00 </td> </tr> <tr> <td>degree centigrade (temperature) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f15">15</a></td> <td>degree Celsius (°C)</td> <td colspan="2">t/°C ≈ t/deg. cent.</td> </tr> <tr> <td>degree centigrade (temperature interval) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f15">15</a></td> <td>degree Celsius (°C)</td> <td>1.0</td> <td>E+00</td> </tr> <tr> <td>degree Fahrenheit (temperature) (°F)</td> <td>degree Celsius (°C)</td> <td colspan="2">t/°C = (t/°F - 32)/1.8</td> </tr> <tr> <td>degree Fahrenheit (temperature) (°F)</td> <td>kelvin (K)</td> <td colspan="2">T/K = (t/°F + 459.67)/1.8</td> </tr> <tr> <td>degree Fahrenheit (temperature interval) (°F)</td> <td>degree Celsius (°C)</td> <td>5.555 556</td> <td>E-01</td> </tr> <tr> <td>degree Fahrenheit (temperature interval) (°F)</td> <td>kelvin (K)</td> <td>5.555 556</td> <td>E-01</td> </tr> <tr> <td>degree Fahrenheit hour per British thermal unitIT(°F · h/BtuIT)</td> <td>kelvin per watt (K/W)</td> <td>1.895 634</td> <td>E+00</td> </tr> <tr> <td>degree Fahrenheit hour per British thermal unitth(°F · h/Btuth)</td> <td>kelvin per watt (K/W)</td> <td>1.896 903</td> <td>E+00</td> </tr> <tr> <td>degree Fahrenheit hour square foot per British thermal unitIT(°F · h · ft2/BtuIT)</td> <td>square meter kelvin per watt (m2 · K/W)</td> <td>1.761 102</td> <td>E-01</td> </tr> <tr> <td>degree Fahrenheit hour square foot per British thermal unitth(°F · h · ft2/Btuth)</td> <td>square meter kelvin per watt (m2 · K/W)</td> <td>1.762 280</td> <td>E-01</td> </tr> <tr> <td>degree Fahrenheit hour square foot per British thermal unitIT inch [°F · h · ft2/(BtuIT · in)]</td> <td>meter kelvin per watt (m · K/W)</td> <td>6.933 472</td> <td>E+00</td> </tr> <tr> <td>degree Fahrenheit hour square foot per British thermal unitth inch [°F · h · ft2/(Btuth · in)]</td> <td>meter kelvin per watt (m · K/W)</td> <td>6.938 112</td> <td>E+00</td> </tr> <tr> <td>degree Fahrenheit second per British thermal unitIT(°F · s/BtuIT)</td> <td>kelvin per watt (K/W)</td> <td>5.265 651</td> <td>E-04</td> </tr> <tr> <td>degree Fahrenheit second per British thermal unitth(°F · s/Btuth)</td> <td>kelvin per watt (K/W)</td> <td>5.269 175</td> <td>E-04</td> </tr> <tr> <td>degree Rankine (°R)</td> <td>kelvin (K)</td> <td colspan="2">T/K = (T/°R)/1.8</td> </tr> <tr> <td>degree Rankine (temperature interval) (°R)</td> <td>kelvin (K)</td> <td>5.555 556</td> <td>E-01</td> </tr> <tr> <td>denier</td> <td>kilogram per meter (kg/m)</td> <td>1.111 111</td> <td>E-07</td> </tr> <tr> <td>denier</td> <td>gram per meter (g/m)</td> <td>1.111 111</td> <td>E-04</td> </tr> <tr> <td>dyne (dyn)</td> <td>newton (N)</td> <td>1.0</td> <td>E-05 </td> </tr> <tr> <td>dyne centimeter (dyn · cm)</td> <td>newton meter (N · m)</td> <td>1.0</td> <td>E-07 </td> </tr> <tr> <td>dyne per square centimeter (dyn/cm2)</td> <td>pascal (Pa)</td> <td>1.0</td> <td>E-01 </td> </tr> </tbody> </table> <a href="#top">Return to top</a> <a name="E"></a> <table> <tbody> <tr> <th colspan="4" scope="col">E</th> </tr> <tr> <th>To convert from</th> <th>to</th> <th colspan="2">Multiply by</th> </tr> <tr> <td>electronvolt (eV)</td> <td>joule (J)</td> <td>1.602 177</td> <td>E-19</td> </tr> <tr> <td>EMU of capacitance (abfarad)</td> <td>farad (F)</td> <td>1.0</td> <td>E+09 </td> </tr> <tr> <td>EMU of current (abampere)</td> <td>ampere (A)</td> <td>1.0</td> <td>E+01</td> </tr> <tr> <td>EMU of electric potential (abvolt)</td> <td>volt (V)</td> <td>1.0</td> <td>E-08 </td> </tr> <tr> <td>EMU of inductance (abhenry)</td> <td>henry (H)</td> <td>1.0</td> <td>E-09 </td> </tr> <tr> <td>EMU of resistance (abohm)</td> <td>ohm (Ω)</td> <td>1.0</td> <td>E-09 </td> </tr> <tr> <td>erg (erg)</td> <td>joule (J)</td> <td>1.0</td> <td>E-07 </td> </tr> <tr> <td>erg per second (erg/s)</td> <td>watt (W)</td> <td>1.0</td> <td>E-07 </td> </tr> <tr> <td>erg per square centimeter second [erg/(cm2 · s)]</td> <td>watt per square meter (W/m2)</td> <td>1.0</td> <td>E-03 </td> </tr> <tr> <td>ESU of capacitance (statfarad)</td> <td>farad (F)</td> <td>1.112 650</td> <td>E-12</td> </tr> <tr> <td>ESU of current (statampere)</td> <td>ampere (A)</td> <td>3.335 641</td> <td>E-10</td> </tr> <tr> <td>ESU of electric potential (statvolt)</td> <td>volt (V)</td> <td>2.997 925</td> <td>E+02</td> </tr> <tr> <td>ESU of inductance (stathenry)</td> <td>henry (H)</td> <td>8.987 552</td> <td>E+11</td> </tr> <tr> <td>ESU of resistance (statohm)</td> <td>ohm (Ω)</td> <td>8.987 552</td> <td>E+11</td> </tr> </tbody> </table> <a href="#top">Return to top</a> <a name="F"></a> <table> <tbody> <tr> <th colspan="4" scope="col">F</th> </tr> <tr> <th>To convert from</th> <th>to</th> <th colspan="2">Multiply by</th> </tr> <tr> <td>faraday (based on carbon 12)</td> <td>coulomb (C)</td> <td>9.648 531</td> <td>E+04</td> </tr> <tr> <td>fathom (based on U.S. survey foot) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f07">7</a></td> <td>meter (m)</td> <td>1.828 804</td> <td>E+00</td> </tr> <tr> <td>fermi</td> <td>meter (m)</td> <td>1.0</td> <td>E-15 </td> </tr> <tr> <td>fermi</td> <td>femtometer (fm)</td> <td>1.0</td> <td>E+00 </td> </tr> <tr> <td>fluid ounce (U.S.) (fl oz)</td> <td>cubic meter (m3)</td> <td>2.957 353</td> <td>E-05</td> </tr> <tr> <td>fluid ounce (U.S.) (fl oz)</td> <td>milliliter (mL)</td> <td>2.957 353</td> <td>E+01</td> </tr> <tr> <td>foot (ft)</td> <td>meter (m)</td> <td>3.048</td> <td>E-01 </td> </tr> <tr> <td>foot (U.S. survey) (ft) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f07">7</a></td> <td>meter (m)</td> <td>3.048 006</td> <td>E-01</td> </tr> <tr> <td>footcandle</td> <td>lux (lx)</td> <td>1.076 391</td> <td>E+01</td> </tr> <tr> <td>footlambert</td> <td>candela per square meter (cd/m2)</td> <td>3.426 259</td> <td>E+00</td> </tr> <tr> <td>foot of mercury, conventional (ftHg) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f12">12</a></td> <td>pascal (Pa)</td> <td>4.063 666</td> <td>E+04</td> </tr> <tr> <td>foot of mercury, conventional (ftHg) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f12">12</a></td> <td>kilopascal (kPa)</td> <td>4.063 666</td> <td>E+01</td> </tr> <tr> <td>foot of water (39.2 °F) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f12">12</a></td> <td>pascal (Pa)</td> <td>2.988 98</td> <td>E+03</td> </tr> <tr> <td>foot of water (39.2 °F) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f12">12</a></td> <td>kilopascal (kPa)</td> <td>2.988 98</td> <td>E+00</td> </tr> <tr> <td>foot of water, conventional (ftH2O) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f12">12</a></td> <td>pascal (Pa)</td> <td>2.989 067</td> <td>E+03</td> </tr> <tr> <td>foot of water, conventional (ftH2O) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f12">12</a></td> <td>kilopascal (kPa)</td> <td>2.989 067</td> <td>E+00</td> </tr> <tr> <td>foot per hour (ft/h)</td> <td>meter per second (m/s)</td> <td>8.466 667</td> <td>E-05</td> </tr> <tr> <td>foot per minute (ft/min)</td> <td>meter per second (m/s)</td> <td>5.08</td> <td>E-03 </td> </tr> <tr> <td>foot per second (ft/s)</td> <td>meter per second (m/s)</td> <td>3.048</td> <td>E-01 </td> </tr> <tr> <td>foot per second squared (ft/s2)</td> <td>meter per second squared (m/s2)</td> <td>3.048</td> <td>E-01 </td> </tr> <tr> <td>foot poundal</td> <td>joule (J)</td> <td>4.214 011</td> <td>E-02</td> </tr> <tr> <td>foot pound-force (ft · lbf)</td> <td>joule (J)</td> <td>1.355 818</td> <td>E+00</td> </tr> <tr> <td>foot pound-force per hour (ft · lbf/h)</td> <td>watt (W)</td> <td>3.766 161</td> <td>E-04</td> </tr> <tr> <td>foot pound-force per minute (ft · lbf/min)</td> <td>watt (W)</td> <td>2.259 697</td> <td>E-02</td> </tr> <tr> <td>foot pound-force per second (ft · lbf/s)</td> <td>watt (W)</td> <td>1.355 818</td> <td>E+00</td> </tr> <tr> <td>foot to the fourth power (ft4) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f16">16</a></td> <td>meter to the fourth power (m4)</td> <td>8.630 975</td> <td>E-03</td> </tr> <tr> <td>franklin (Fr)</td> <td>coulomb (C)</td> <td>3.335 641</td> <td>E-10</td> </tr> </tbody> </table> <a href="#top">Return to top</a> <a name="G"></a> <table> <tbody> <tr> <th colspan="4" scope="col">G</th> </tr> <tr> <th>To convert from</th> <th>to</th> <th colspan="2">Multiply by</th> </tr> <tr> <td>gal (Gal)</td> <td>meter per second squared (m/s2)</td> <td>1.0</td> <td>E-02 </td> </tr> <tr> <td>gallon [Canadian and U.K. (Imperial)] (gal)</td> <td>cubic meter (m3)</td> <td>4.546 09</td> <td>E-03 </td> </tr> <tr> <td>gallon [Canadian and U.K. (Imperial)] (gal)</td> <td>liter (L)</td> <td>4.546 09</td> <td>E+00 </td> </tr> <tr> <td>gallon (U.S.) (gal)</td> <td>cubic meter (m3)</td> <td>3.785 412</td> <td>E-03</td> </tr> <tr> <td>gallon (U.S.) (gal)</td> <td>liter (L)</td> <td>3.785 412</td> <td>E+00</td> </tr> <tr> <td>gallon (U.S.) per day (gal/d)</td> <td>cubic meter per second (m3/s)</td> <td>4.381 264</td> <td>E-08</td> </tr> <tr> <td>gallon (U.S.) per day (gal/d)</td> <td>liter per second (L/s)</td> <td>4.381 264</td> <td>E-05</td> </tr> <tr> <td>gallon (U.S.) per horsepower hour [gal/(hp · h)]</td> <td>cubic meter per joule (m3/J)</td> <td>1.410 089</td> <td>E-09</td> </tr> <tr> <td>gallon (U.S.) per horsepower hour [gal/(hp · h)]</td> <td>liter per joule (L/J)</td> <td>1.410 089</td> <td>E-06</td> </tr> <tr> <td>gallon (U.S.) per minute (gpm) (gal/min)</td> <td>cubic meter per second (m3/s)</td> <td>6.309 020</td> <td>E-05</td> </tr> <tr> <td>gallon (U.S.) per minute (gpm) (gal/min)</td> <td>liter per second (L/s)</td> <td>6.309 020</td> <td>E-02</td> </tr> <tr> <td>gamma (γ)</td> <td>tesla (T)</td> <td>1.0</td> <td>E-09 </td> </tr> <tr> <td>gauss (Gs, G)</td> <td>tesla (T)</td> <td>1.0</td> <td>E-04 </td> </tr> <tr> <td>gilbert (Gi)</td> <td>ampere (A)</td> <td>7.957 747</td> <td>E-01</td> </tr> <tr> <td>gill [Canadian and U.K. (Imperial)] (gi)</td> <td>cubic meter (m3)</td> <td>1.420 653</td> <td>E-04</td> </tr> <tr> <td>gill [Canadian and U.K. (Imperial)] (gi)</td> <td>liter (L)</td> <td>1.420 653</td> <td>E-01</td> </tr> <tr> <td>gill (U.S.) (gi)</td> <td>cubic meter (m3)</td> <td>1.182 941</td> <td>E-04</td> </tr> <tr> <td>gill (U.S.) (gi)</td> <td>liter (L)</td> <td>1.182 941</td> <td>E-01</td> </tr> <tr> <td>gon (also called grade) (gon)</td> <td>radian (rad)</td> <td>1.570 796</td> <td>E-02</td> </tr> <tr> <td>gon (also called grade) (gon)</td> <td>degree (angle) (°)</td> <td>9.0</td> <td>E-01 </td> </tr> <tr> <td>grain (gr)</td> <td>kilogram (kg)</td> <td>6.479 891</td> <td>E-05 </td> </tr> <tr> <td>grain (gr)</td> <td>milligram (mg)</td> <td>6.479 891</td> <td>E+01</td> </tr> <tr> <td>grain per gallon (U.S.) (gr/gal)</td> <td>kilogram per cubic meter (kg/m3)</td> <td>1.711 806</td> <td>E-02</td> </tr> <tr> <td>grain per gallon (U.S.) (gr/gal)</td> <td>milligram per liter (mg/L)</td> <td>1.711 806</td> <td>E+01</td> </tr> <tr> <td>gram-force per square centimeter (gf/cm2)</td> <td>pascal (Pa)</td> <td>9.806 65</td> <td>E+01</td> </tr> <tr> <td>gram per cubic centimeter (g/cm3)</td> <td>kilogram per cubic meter (kg/m3)</td> <td>1.0</td> <td>E+03 </td> </tr> </tbody> </table> <a href="#top">Return to top</a> <a name="H"></a> <table> <tbody> <tr> <th colspan="4" scope="col">H</th> </tr> <tr> <th>To convert from</th> <th>to</th> <th colspan="2">Multiply by</th> </tr> <tr> <td>hectare (ha)</td> <td>square meter (m2)</td> <td>1.0</td> <td>E+04 </td> </tr> <tr> <td>horsepower (550 ft · lbf/s) (hp)</td> <td>watt (W)</td> <td>7.456 999</td> <td>E+02</td> </tr> <tr> <td>horsepower (boiler)</td> <td>watt (W)</td> <td>9.809 50</td> <td>E+03</td> </tr> <tr> <td>horsepower (electric)</td> <td>watt (W)</td> <td>7.46</td> <td>E+02 </td> </tr> <tr> <td>horsepower (metric)</td> <td>watt (W)</td> <td>7.354 988</td> <td>E+02</td> </tr> <tr> <td>horsepower (U.K.)</td> <td>watt (W)</td> <td>7.4570</td> <td>E+02</td> </tr> <tr> <td>horsepower (water)</td> <td>watt (W)</td> <td>7.460 43</td> <td>E+02</td> </tr> <tr> <td>hour (h)</td> <td>second (s)</td> <td>3.6</td> <td>E+03 </td> </tr> <tr> <td>hour (sidereal)</td> <td>second (s)</td> <td>3.590 170</td> <td>E+03</td> </tr> <tr> <td>hundredweight (long, 112 lb)</td> <td>kilogram (kg)</td> <td>5.080 235</td> <td>E+01</td> </tr> <tr> <td>hundredweight (short, 100 lb)</td> <td>kilogram (kg)</td> <td>4.535 924</td> <td>E+01</td> </tr> </tbody> </table> <a href="#top">Return to top</a> <a name="I"></a> <table> <tbody> <tr> <th colspan="4" scope="col">I</th> </tr> <tr> <th>To convert from</th> <th>to</th> <th colspan="2">Multiply by</th> </tr> <tr> <td>inch (in)</td> <td>meter (m)</td> <td>2.54</td> <td>E-02 </td> </tr> <tr> <td>inch (in)</td> <td>centimeter (cm)</td> <td>2.54</td> <td>E+00 </td> </tr> <tr> <td>inch of mercury (32 °F) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f12">12</a></td> <td>pascal (Pa)</td> <td>3.386 38</td> <td>E+03</td> </tr> <tr> <td>inch of mercury (32 °F) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f12">12</a></td> <td>kilopascal (kPa)</td> <td>3.386 38</td> <td>E+00</td> </tr> <tr> <td>inch of mercury (60 °F) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f12">12</a></td> <td>pascal (Pa)</td> <td>3.376 85</td> <td>E+03</td> </tr> <tr> <td>inch of mercury (60 °F) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f12">12</a></td> <td>kilopascal (kPa)</td> <td>3.376 85</td> <td>E+00</td> </tr> <tr> <td>inch of mercury, conventional (inHg) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f12">12</a></td> <td>pascal (Pa)</td> <td>3.386 389</td> <td>E+03</td> </tr> <tr> <td>inch of mercury, conventional (inHg) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f12">12</a></td> <td>kilopascal (kPa)</td> <td>3.386 389</td> <td>E+00</td> </tr> <tr> <td>inch of water (39.2 °F) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f12">12</a></td> <td>pascal (Pa)</td> <td>2.490 82</td> <td>E+02</td> </tr> <tr> <td>inch of water (60 °F) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f12">12</a></td> <td>pascal (Pa)</td> <td>2.4884</td> <td>E+02</td> </tr> <tr> <td>inch of water, conventional (inH2O) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f12">12</a></td> <td>pascal (Pa)</td> <td>2.490 889</td> <td>E+02</td> </tr> <tr> <td>inch per second (in/s)</td> <td>meter per second (m/s)</td> <td>2.54</td> <td>E-02 </td> </tr> <tr> <td>inch per second squared (in/s2)</td> <td>meter per second squared (m/s2)</td> <td>2.54</td> <td>E-02 </td> </tr> <tr> <td>inch to the fourth power (in4) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f16">16</a></td> <td>meter to the fourth power (m4)</td> <td>4.162 314</td> <td>E-07</td> </tr> </tbody> </table> <a href="#top">Return to top</a> <a name="K"></a> <table> <tbody> <tr> <th colspan="4" scope="col">K</th> </tr> <tr> <th>To convert from</th> <th>to</th> <th colspan="2">Multiply by</th> </tr> <tr> <td>kayser (K)</td> <td>reciprocal meter (m-1)</td> <td>1.0</td> <td>E+02 </td> </tr> <tr> <td>kelvin (K)</td> <td>degree Celsius (°C)</td> <td colspan="2">t/°C = T/K - 273.15</td> </tr> <tr> <td>kilocalorieIT (kcalIT)</td> <td>joule (J)</td> <td>4.1868</td> <td>E+03 </td> </tr> <tr> <td>kilocalorieth (kcalth)</td> <td>joule (J)</td> <td>4.184</td> <td>E+03 </td> </tr> <tr> <td>kilocalorie (mean) (kcal)</td> <td>joule (J)</td> <td>4.190 02</td> <td>E+03</td> </tr> <tr> <td>kilocalorieth per minute (kcalth/min)</td> <td>watt (W)</td> <td>6.973 333</td> <td>E+01</td> </tr> <tr> <td>kilocalorieth per second (kcalth/s)</td> <td>watt (W)</td> <td>4.184</td> <td>E+03 </td> </tr> <tr> <td>kilogram-force (kgf)</td> <td>newton (N)</td> <td>9.806 65</td> <td>E+00 </td> </tr> <tr> <td>kilogram-force meter (kgf · m)</td> <td>newton meter (N · m)</td> <td>9.806 65</td> <td>E+00 </td> </tr> <tr> <td>kilogram-force per square centimeter (kgf/cm2)</td> <td>pascal (Pa)</td> <td>9.806 65</td> <td>E+04 </td> </tr> <tr> <td>kilogram-force per square centimeter (kgf/cm2)</td> <td>kilopascal (kPa)</td> <td>9.806 65</td> <td>E+01</td> </tr> <tr> <td>kilogram-force per square meter (kgf/m2)</td> <td>pascal (Pa)</td> <td>9.806 65</td> <td>E+00 </td> </tr> <tr> <td>kilogram-force per square millimeter (kgf/mm2)</td> <td>pascal (Pa)</td> <td>9.806 65</td> <td>E+06 </td> </tr> <tr> <td>kilogram-force per square millimeter (kgf/mm2)</td> <td>megapascal (MPa)</td> <td>9.806 65</td> <td>E+00 </td> </tr> <tr> <td>kilogram-force second squared per meter (kgf · s2/m)</td> <td>kilogram (kg)</td> <td>9.806 65</td> <td>E+00 </td> </tr> <tr> <td>kilometer per hour (km/h)</td> <td>meter per second (m/s)</td> <td>2.777 778</td> <td>E-01</td> </tr> <tr> <td>kilopond (kilogram-force) (kp)</td> <td>newton (N)</td> <td>9.806 65</td> <td>E+00 </td> </tr> <tr> <td>kilowatt hour (kW · h)</td> <td>joule (J)</td> <td>3.6</td> <td>E+06 </td> </tr> <tr> <td>kilowatt hour (kW · h)</td> <td>megajoule (MJ)</td> <td>3.6</td> <td>E+00 </td> </tr> <tr> <td>kip (1 kip= 1000 lbf)</td> <td>newton (N)</td> <td>4.448 222</td> <td>E+03</td> </tr> <tr> <td>kip (1 kip= 1000 lbf)</td> <td>kilonewton (kN)</td> <td>4.448 222</td> <td>E+00</td> </tr> <tr> <td>kip per square inch (ksi) (kip/in2)</td> <td>pascal (Pa)</td> <td>6.894 757</td> <td>E+06</td> </tr> <tr> <td>kip per square inch (ksi) (kip/in2)</td> <td>kilopascal (kPa)</td> <td>6.894 757</td> <td>E+03</td> </tr> <tr> <td>knot (nautical mile per hour)</td> <td>meter per second (m/s)</td> <td>5.144 444</td> <td>E-01</td> </tr> </tbody> </table> <a href="#top">Return to top</a> <a name="L"></a> <table> <tbody> <tr> <th colspan="4" scope="col">L</th> </tr> <tr> <th>To convert from</th> <th>to</th> <th colspan="2">Multiply by</th> </tr> <tr> <td>lambert <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f17">17</a></td> <td>candela per square meter (cd/m2)</td> <td>3.183 099</td> <td>E+03</td> </tr> <tr> <td>langley (calth/cm2)</td> <td>joule per square meter (J/m2)</td> <td>4.184</td> <td>E+04 </td> </tr> <tr> <td>light year (l.y.) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f18">18</a></td> <td>meter (m)</td> <td>9.460 73</td> <td>E+15</td> </tr> <tr> <td>liter (L) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f19">19</a></td> <td>cubic meter (m3)</td> <td>1.0</td> <td>E-03 </td> </tr> <tr> <td>lumen per square foot (lm/ft2)</td> <td>lux (lx)</td> <td>1.076 391</td> <td>E+01</td> </tr> </tbody> </table> <a href="#top">Return to top</a> <a name="M"></a> <table> <tbody> <tr> <th colspan="4" scope="col">M</th> </tr> <tr> <th>To convert from</th> <th>to</th> <th colspan="2">Multiply by</th> </tr> <tr> <td>maxwell (Mx)</td> <td>weber (Wb)</td> <td>1.0</td> <td>E-08 </td> </tr> <tr> <td>mho</td> <td>siemens (S)</td> <td>1.0</td> <td>E+00 </td> </tr> <tr> <td>microinch</td> <td>meter (m)</td> <td>2.54</td> <td>E-08 </td> </tr> <tr> <td>microinch</td> <td>micrometer (μm)</td> <td>2.54</td> <td>E-02 </td> </tr> <tr> <td>micron (μ)</td> <td>meter (m)</td> <td>1.0</td> <td>E-06 </td> </tr> <tr> <td>micron (μ)</td> <td>micrometer (μm)</td> <td>1.0</td> <td>E+00 </td> </tr> <tr> <td>mil (0.001 in)</td> <td>meter (m)</td> <td>2.54</td> <td>E-05 </td> </tr> <tr> <td>mil (0.001 in)</td> <td>millimeter (mm)</td> <td>2.54</td> <td>E-02 </td> </tr> <tr> <td>mil (angle)</td> <td>radian (rad)</td> <td>9.817 477</td> <td>E-04</td> </tr> <tr> <td>mil (angle)</td> <td>degree (°)</td> <td>5.625</td> <td>E-02 </td> </tr> <tr> <td>mile (mi)</td> <td>meter (m)</td> <td>1.609 344</td> <td>E+03 </td> </tr> <tr> <td>mile (mi)</td> <td>kilometer (km)</td> <td>1.609 344</td> <td>E+00 </td> </tr> <tr> <td>mile (based on U.S. survey foot) (mi) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f07">7</a></td> <td>meter (m)</td> <td>1.609 347</td> <td>E+03</td> </tr> <tr> <td>mile (based on U.S. survey foot) (mi) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f07">7</a></td> <td>kilometer (km)</td> <td>1.609 347</td> <td>E+00</td> </tr> <tr> <td>mile, nautical <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f20">20</a></td> <td>meter (m)</td> <td>1.852</td> <td>E+03 </td> </tr> <tr> <td>mile per gallon (U.S.) (mpg) (mi/gal)</td> <td>meter per cubic meter (m/m3)</td> <td>4.251 437</td> <td>E+05</td> </tr> <tr> <td>mile per gallon (U.S.) (mpg) (mi/gal)</td> <td>kilometer per liter (km/L)</td> <td>4.251 437</td> <td>E-01</td> </tr> <tr> <td>mile per gallon (U.S.) (mpg) (mi/gal) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f21">21</a></td> <td>liter per 100 kilometer (L/100 km)</td> <td colspan="2">divide 235.215 by number of miles per gallon</td> </tr> <tr> <td>mile per hour (mi/h)</td> <td>meter per second (m/s)</td> <td>4.4704</td> <td>E-01 </td> </tr> <tr> <td>mile per hour (mi/h)</td> <td>kilometer per hour (km/h)</td> <td>1.609 344</td> <td>E+00 </td> </tr> <tr> <td>mile per minute (mi/min)</td> <td>meter per second (m/s)</td> <td>2.682 24</td> <td>E+01</td> </tr> <tr> <td>mile per second (mi/s)</td> <td>meter per second (m/s)</td> <td>1.609 344</td> <td>E+03 </td> </tr> <tr> <td>millibar (mbar)</td> <td>pascal (Pa)</td> <td>1.0</td> <td>E+02 </td> </tr> <tr> <td>millibar (mbar)</td> <td>kilopascal (kPa)</td> <td>1.0</td> <td>E-01 </td> </tr> <tr> <td>millimeter of mercury, conventional (mmHg) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f12">12</a></td> <td>pascal (Pa)</td> <td>1.333 224</td> <td>E+02</td> </tr> <tr> <td>millimeter of water, conventional (mm H2O) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f12">12</a></td> <td>pascal (Pa)</td> <td>9.806 65</td> <td>E+00</td> </tr> <tr> <td>minute (angle) (′)</td> <td>radian (rad)</td> <td>2.908 882</td> <td>E-04</td> </tr> <tr> <td>minute (min)</td> <td>second (s)</td> <td>6.0</td> <td>E+01</td> </tr> <tr> <td>minute (sidereal)</td> <td>second (s)</td> <td>5.983 617</td> <td>E+01</td> </tr> </tbody> </table> <a href="#top">Return to top</a> <a name="O"></a> <table> <tbody> <tr> <th colspan="4" scope="col">O</th> </tr> <tr> <th>To convert from</th> <th>to</th> <th colspan="2">Multiply by</th> </tr> <tr> <td>oersted (Oe)</td> <td>ampere per meter (A/m)</td> <td>7.957 747</td> <td>E+01</td> </tr> <tr> <td>ohm centimeter (Ω · cm)</td> <td>ohm meter (Ω · m)</td> <td>1.0</td> <td>E-02 </td> </tr> <tr> <td>ohm circular-mil per foot</td> <td>ohm meter (Ω · m)</td> <td>1.662 426</td> <td>E-09</td> </tr> <tr> <td>ohm circular-mil per foot</td> <td>ohm square millimeter per meter (Ω · mm2/m)</td> <td>1.662 426</td> <td>E-03</td> </tr> <tr> <td>ounce (avoirdupois) (oz)</td> <td>kilogram (kg)</td> <td>2.834 952</td> <td>E-02</td> </tr> <tr> <td>ounce (avoirdupois) (oz)</td> <td>gram (g)</td> <td>2.834 952</td> <td>E+01</td> </tr> <tr> <td>ounce (troy or apothecary) (oz)</td> <td>kilogram (kg)</td> <td>3.110 348</td> <td>E-02</td> </tr> <tr> <td>ounce (troy or apothecary) (oz)</td> <td>gram (g)</td> <td>3.110 348</td> <td>E+01</td> </tr> <tr> <td>ounce [Canadian and U.K. fluid (Imperial)] (fl oz)</td> <td>cubic meter (m3)</td> <td>2.841 306</td> <td>E-05</td> </tr> <tr> <td>ounce [Canadian and U.K. fluid (Imperial)] (fl oz)</td> <td>milliliter (mL)</td> <td>2.841 306</td> <td>E+01</td> </tr> <tr> <td>ounce (U.S. fluid) (fl oz)</td> <td>cubic meter (m3)</td> <td>2.957 353</td> <td>E-05</td> </tr> <tr> <td>ounce (U.S. fluid) (fl oz)</td> <td>milliliter (mL)</td> <td>2.957 353</td> <td>E+01</td> </tr> <tr> <td>ounce (avoirdupois)-force (ozf)</td> <td>newton (N)</td> <td>2.780 139</td> <td>E-01</td> </tr> <tr> <td>ounce (avoirdupois)-force inch (ozf · in)</td> <td>newton meter (N · m)</td> <td>7.061 552</td> <td>E-03</td> </tr> <tr> <td>ounce (avoirdupois)-force inch (ozf · in)</td> <td>millinewton meter (mN · m)</td> <td>7.061 552</td> <td>E+00</td> </tr> <tr> <td>ounce (avoirdupois) per cubic inch (oz/in3)</td> <td>kilogram per cubic meter (kg/m3)</td> <td>1.729 994</td> <td>E+03</td> </tr> <tr> <td>ounce (avoirdupois) per gallon [Canadian and U.K. (Imperial)] (oz/gal)</td> <td>kilogram per cubic meter (kg/m3)</td> <td>6.236 023</td> <td>E+00</td> </tr> <tr> <td>ounce (avoirdupois) per gallon [Canadian and U.K. (Imperial)] (oz/gal)</td> <td>gram per liter (g/L)</td> <td>6.236 023</td> <td>E+00</td> </tr> <tr> <td>ounce (avoirdupois) per gallon (U.S.) (oz/gal)</td> <td>kilogram per cubic meter (kg/m3)</td> <td>7.489 152</td> <td>E+00</td> </tr> <tr> <td>ounce (avoirdupois) per gallon (U.S.) (oz/gal)</td> <td>gram per liter (g/L)</td> <td>7.489 152</td> <td>E+00</td> </tr> <tr> <td>ounce (avoirdupois) per square foot (oz/ft2)</td> <td>kilogram per square meter (kg/m2)</td> <td>3.051 517</td> <td>E-01</td> </tr> <tr> <td>ounce (avoirdupois) per square inch (oz/in2)</td> <td>kilogram per square meter (kg/m2)</td> <td>4.394 185</td> <td>E+01</td> </tr> <tr> <td>ounce (avoirdupois) per square yard (oz/yd2)</td> <td>kilogram per square meter (kg/m2)</td> <td>3.390 575</td> <td>E-02</td> </tr> </tbody> </table> <a href="#top">Return to top</a> <a name="P"></a> <table> <tbody> <tr> <th colspan="4" scope="col">P</th> </tr> <tr> <th>To convert from</th> <th>to</th> <th colspan="2">Multiply by</th> </tr> <tr> <td>parsec (pc)</td> <td>meter (m)</td> <td>3.085 678</td> <td>E+16</td> </tr> <tr> <td>peck (U.S.) (pk)</td> <td>cubic meter (m3)</td> <td>8.809 768</td> <td>E-03</td> </tr> <tr> <td>peck (U.S.) (pk)</td> <td>liter (L)</td> <td>8.809 768</td> <td>E+00</td> </tr> <tr> <td>pennyweight (dwt)</td> <td>kilogram (kg)</td> <td>1.555 174</td> <td>E-03</td> </tr> <tr> <td>pennyweight (dwt)</td> <td>gram (g)</td> <td>1.555 174</td> <td>E+00</td> </tr> <tr> <td>perm (0 °C)</td> <td>kilogram per pascal second square meter [kg/(Pa · s · m2)]</td> <td>5.721 35</td> <td>E-11</td> </tr> <tr> <td>perm (23 °C)</td> <td>kilogram per pascal second square meter [kg/(Pa · s · m2)]</td> <td>5.74525</td> <td>E-11</td> </tr> <tr> <td>perm inch (0 °C)</td> <td>kilogram per pascal second meter [kg/(Pa·s·m)]</td> <td>1.45322</td> <td>E-12</td> </tr> <tr> <td>perm inch (23 °C)</td> <td>kilogram per pascal second meter [kg/(Pa·s·m)]</td> <td>1.45929</td> <td>E-12</td> </tr> <tr> <td>phot (ph)</td> <td>lux (lx)</td> <td>1.0</td> <td>E+04 </td> </tr> <tr> <td>pica (computer) (1/6 in)</td> <td>meter (m)</td> <td>4.233 333</td> <td>E-03</td> </tr> <tr> <td>pica (computer) (1/6 in)</td> <td>millimeter (mm)</td> <td>4.233 333</td> <td>E+00</td> </tr> <tr> <td>pica (printer's)</td> <td>meter (m)</td> <td>4.217 518</td> <td>E-03</td> </tr> <tr> <td>pica (printer's)</td> <td>millimeter (mm)</td> <td>4.217 518</td> <td>E+00</td> </tr> <tr> <td>pint (U.S. dry) (dry pt)</td> <td>cubic meter (m3)</td> <td>5.506 105</td> <td>E-04</td> </tr> <tr> <td>pint (U.S. dry) (dry pt)</td> <td>liter (L)</td> <td>5.506 105</td> <td>E-01</td> </tr> <tr> <td>pint (U.S. liquid) (liq pt)</td> <td>cubic meter (m3)</td> <td>4.731 765</td> <td>E-04</td> </tr> <tr> <td>pint (U.S. liquid) (liq pt)</td> <td>liter (L)</td> <td>4.731 765</td> <td>E-01</td> </tr> <tr> <td>point (computer) (1/72 in)</td> <td>meter (m)</td> <td>3.527 778</td> <td>E-04</td> </tr> <tr> <td>point (computer) (1/72 in)</td> <td>millimeter (mm)</td> <td>3.527 778</td> <td>E-01</td> </tr> <tr> <td>point (printer's)</td> <td>meter (m)</td> <td>3.514 598</td> <td>E-04</td> </tr> <tr> <td>point (printer's)</td> <td>millimeter (mm)</td> <td>3.514 598</td> <td>E-01</td> </tr> <tr> <td>poise (P)</td> <td>pascal second (Pa · s)</td> <td>1.0</td> <td>E-01 </td> </tr> <tr> <td>pound (avoirdupois) (lb) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f22">22</a></td> <td>kilogram (kg)</td> <td>4.535 924</td> <td>E-01</td> </tr> <tr> <td>pound (troy or apothecary) (lb)</td> <td>kilogram (kg)</td> <td>3.732 417</td> <td>E-01</td> </tr> <tr> <td>poundal</td> <td>newton (N)</td> <td>1.382 550</td> <td>E-01</td> </tr> <tr> <td>poundal per square foot</td> <td>pascal (Pa)</td> <td>1.488 164</td> <td>E+00</td> </tr> <tr> <td>poundal second per square foot</td> <td>pascal second (Pa · s)</td> <td>1.488 164</td> <td>E+00</td> </tr> <tr> <td>pound foot squared (lb · ft2)</td> <td>kilogram meter squared (kg · m2)</td> <td>4.214 011</td> <td>E-02</td> </tr> <tr> <td>pound-force (lbf) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f23">23</a></td> <td>newton (N)</td> <td>4.448 222</td> <td>E+00</td> </tr> <tr> <td>pound-force foot (lbf · ft)</td> <td>newton meter (N · m)</td> <td>1.355 818</td> <td>E+00</td> </tr> <tr> <td>pound-force foot per inch (lbf · ft/in)</td> <td>newton meter per meter (N · m/m)</td> <td>5.337 866</td> <td>E+01</td> </tr> <tr> <td>pound-force inch (lbf · in)</td> <td>newton meter (N · m)</td> <td>1.129 848</td> <td>E-01</td> </tr> <tr> <td>pound-force inch per inch (lbf · in/in)</td> <td>newton meter per meter (N · m/m)</td> <td>4.448 222</td> <td>E+00</td> </tr> <tr> <td>pound-force per foot (lbf/ft)</td> <td>newton per meter (N/m)</td> <td>1.459 390</td> <td>E+01</td> </tr> <tr> <td>pound-force per inch (lbf/in)</td> <td>newton per meter (N/m)</td> <td>1.751 268</td> <td>E+02</td> </tr> <tr> <td>pound-force per pound (lbf/lb) (thrust to mass ratio)</td> <td>newton per kilogram (N/kg)</td> <td>9.806 65</td> <td>E+00 </td> </tr> <tr> <td>pound-force per square foot (lbf/ft2)</td> <td>pascal (Pa)</td> <td>4.788 026</td> <td>E+01</td> </tr> <tr> <td>pound-force per square inch (psi) (lbf/in2)</td> <td>pascal (Pa)</td> <td>6.894 757</td> <td>E+03</td> </tr> <tr> <td>pound-force per square inch (psi) (lbf/in2)</td> <td>kilopascal (kPa)</td> <td>6.894 757</td> <td>E+00</td> </tr> <tr> <td>pound-force second per square foot (lbf · s/ft2)</td> <td>pascal second (Pa · s)</td> <td>4.788 026</td> <td>E+01</td> </tr> <tr> <td>pound-force second per square inch (lbf · s/in2)</td> <td>pascal second (Pa · s)</td> <td>6.894 757</td> <td>E+03</td> </tr> <tr> <td>pound inch squared (lb · in2)</td> <td>kilogram meter squared (kg ·m2)</td> <td>2.926 397</td> <td>E-04</td> </tr> <tr> <td>pound per cubic foot (lb/ft3)</td> <td>kilogram per cubic meter (kg/m3)</td> <td>1.601 846</td> <td>E+01</td> </tr> <tr> <td>pound per cubic inch (lb/in3)</td> <td>kilogram per cubic meter (kg/m3)</td> <td>2.767 990</td> <td>E+04</td> </tr> <tr> <td>pound per cubic yard (lb/yd3)</td> <td>kilogram per cubic meter (kg/m3)</td> <td>5.932 764</td> <td>E-01</td> </tr> <tr> <td>pound per foot (lb/ft)</td> <td>kilogram per meter (kg/m)</td> <td>1.488 164</td> <td>E+00</td> </tr> <tr> <td>pound per foot hour [lb/(ft · h)]</td> <td>pascal second (Pa · s)</td> <td>4.133 789</td> <td>E-04</td> </tr> <tr> <td>pound per foot second [lb/(ft · s)]</td> <td>pascal second (Pa · s)</td> <td>1.488 164</td> <td>E+00</td> </tr> <tr> <td>pound per gallon [Canadian and U.K. (Imperial)] (lb/gal)</td> <td>kilogram per cubic meter (kg/m3)</td> <td>9.977 637</td> <td>E+01</td> </tr> <tr> <td>pound per gallon [Canadian and U.K. (Imperial)] (lb/gal)</td> <td>kilogram per liter (kg/L)</td> <td>9.977 637</td> <td>E-02</td> </tr> <tr> <td>pound per gallon (U.S.) (lb/gal)</td> <td>kilogram per cubic meter (kg/m3)</td> <td>1.198 264</td> <td>E+02</td> </tr> <tr> <td>pound per gallon (U.S.) (lb/gal)</td> <td>kilogram per liter (kg/L)</td> <td>1.198 264</td> <td>E-01</td> </tr> <tr> <td>pound per horsepower hour [lb/(hp · h)]</td> <td>kilogram per joule (kg/J)</td> <td>1.689 659</td> <td>E-07</td> </tr> <tr> <td>pound per hour (lb/h)</td> <td>kilogram per second (kg/s)</td> <td>1.259 979</td> <td>E-04</td> </tr> <tr> <td>pound per inch (lb/in)</td> <td>kilogram per meter (kg/m)</td> <td>1.785 797</td> <td>E+01</td> </tr> <tr> <td>pound per minute (lb/min)</td> <td>kilogram per second (kg/s)</td> <td>7.559 873</td> <td>E-03</td> </tr> <tr> <td>pound per second (lb/s)</td> <td>kilogram per second (kg/s)</td> <td>4.535 924</td> <td>E-01</td> </tr> <tr> <td>pound per square foot (lb/ft2)</td> <td>kilogram per square meter (kg/m2)</td> <td>4.882 428</td> <td>E+00</td> </tr> <tr> <td>pound per square inch (not pound-force) (lb/in2)</td> <td>kilogram per square meter (kg/m2)</td> <td>7.030 696</td> <td>E+02</td> </tr> <tr> <td>pound per yard (lb/yd)</td> <td>kilogram per meter (kg/m)</td> <td>4.960 546</td> <td>E-01</td> </tr> <tr> <td>psi (pound-force per square inch) (lbf/in2)</td> <td>pascal (Pa)</td> <td>6.894 757</td> <td>E+03</td> </tr> <tr> <td>psi (pound-force per square inch) (lbf/in2)</td> <td>kilopascal (kPa)</td> <td>6.894 757</td> <td>E+00</td> </tr> </tbody> </table> <a href="#top">Return to top</a> <a name="Q"></a> <table> <tbody> <tr> <th colspan="4" scope="col">Q</th> </tr> <tr> <th>To convert from</th> <th>to</th> <th colspan="2">Multiply by</th> </tr> <tr> <td>quad (1015 BtuIT) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f11">11</a></td> <td>joule (J)</td> <td>1.055 056</td> <td>E+18</td> </tr> <tr> <td>quart (U.S. dry) (dry qt)</td> <td>cubic meter (m3)</td> <td>1.101 221</td> <td>E-03</td> </tr> <tr> <td>quart (U.S. dry) (dry qt)</td> <td>liter (L)</td> <td>1.101 221</td> <td>E+00</td> </tr> <tr> <td>quart (U.S. liquid) (liq qt)</td> <td>cubic meter (m3)</td> <td>9.463 529</td> <td>E-04</td> </tr> <tr> <td>quart (U.S. liquid) (liq qt)</td> <td>liter (L)</td> <td>9.463 529</td> <td>E-01</td> </tr> </tbody> </table> <a href="#top">Return to top</a> <a name="R"></a> <table> <tbody> <tr> <th colspan="4" scope="col">R</th> </tr> <tr> <th>To convert from</th> <th>to</th> <th colspan="2">Multiply by</th> </tr> <tr> <td>rad (absorbed dose) (rad)</td> <td>gray (Gy)</td> <td>1.0</td> <td>E-02 </td> </tr> <tr> <td>rem (rem)</td> <td>sievert (Sv)</td> <td>1.0</td> <td>E-02 </td> </tr> <tr> <td>revolution (r)</td> <td>radian (rad)</td> <td>6.283 185</td> <td>E+00</td> </tr> <tr> <td>revolution per minute (rpm) (r/min)</td> <td>radian per second (rad/s)</td> <td>1.047 198</td> <td>E-01</td> </tr> <tr> <td>rhe</td> <td>reciprocal pascal second (Pa · s)-1</td> <td>1.0</td> <td>E+01</td> </tr> <tr> <td>rod (based on U.S. survey foot) (rd) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f07">7</a></td> <td>meter (m)</td> <td>5.029 210</td> <td>E+00</td> </tr> <tr> <td>roentgen (R)</td> <td>coulomb per kilogram (C/kg)</td> <td>2.58</td> <td>E-04</td> </tr> <tr> <td>rpm (revolution per minute) (r/min)</td> <td>radian per second (rad/s)</td> <td>1.047 198</td> <td>E-01</td> </tr> </tbody> </table> <a href="#top">Return to top</a> <a name="S"></a> <table> <tbody> <tr> <th colspan="4" scope="col">S</th> </tr> <tr> <th>To convert from</th> <th>to</th> <th colspan="2">Multiply by</th> </tr> <tr> <td>second (angle) (″)</td> <td>radian (rad)</td> <td>4.848 137</td> <td>E-06</td> </tr> <tr> <td>second (sidereal)</td> <td>second (s)</td> <td>9.972 696</td> <td>E-01</td> </tr> <tr> <td>shake</td> <td>second (s)</td> <td>1.0</td> <td>E-08 </td> </tr> <tr> <td>shake</td> <td>nanosecond (ns)</td> <td>1.0</td> <td>E+01</td> </tr> <tr> <td>slug (slug)</td> <td>kilogram (kg)</td> <td>1.459 390</td> <td>E+01</td> </tr> <tr> <td>slug per cubic foot (slug/ft3)</td> <td>kilogram per cubic meter (kg/m3)</td> <td>5.153 788</td> <td>E+02</td> </tr> <tr> <td>slug per foot second [slug/(ft · s)]</td> <td>pascal second (Pa · s)</td> <td>4.788 026</td> <td>E+01</td> </tr> <tr> <td>square foot (ft2)</td> <td>square meter (m2)</td> <td>9.290 304</td> <td>E-02 </td> </tr> <tr> <td>square foot per hour (ft2/h)</td> <td>square meter per second (m2/s)</td> <td>2.580 64</td> <td>E-05 </td> </tr> <tr> <td>square foot per second (ft2/s)</td> <td>square meter per second (m2/s)</td> <td>9.290 304</td> <td>E-02 </td> </tr> <tr> <td>square inch (in2)</td> <td>square meter (m2)</td> <td>6.4516</td> <td>E-04 </td> </tr> <tr> <td>square inch (in2)</td> <td>square centimeter (cm2)</td> <td>6.4516</td> <td>E+00 </td> </tr> <tr> <td>square mile (mi2)</td> <td>square meter (m2)</td> <td>2.589 988</td> <td>E+06</td> </tr> <tr> <td>square mile (mi2)</td> <td>square kilometer (km2)</td> <td>2.589 988</td> <td>E+00</td> </tr> <tr> <td>square mile (based on U.S. survey foot) (mi2) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f07">7</a></td> <td>square meter (m2)</td> <td>2.589 998</td> <td>E+06</td> </tr> <tr> <td>square mile (based on U.S. survey foot) (mi2) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f07">7</a></td> <td>square kilometer (km2)</td> <td>2.589 998</td> <td>E+00</td> </tr> <tr> <td>square yard (yd2)</td> <td>square meter (m2)</td> <td>8.361 274</td> <td>E-01</td> </tr> <tr> <td>statampere</td> <td>ampere (A)</td> <td>3.335 641</td> <td>E-10</td> </tr> <tr> <td>statcoulomb</td> <td>coulomb (C)</td> <td>3.335 641</td> <td>E-10</td> </tr> <tr> <td>statfarad</td> <td>farad (F)</td> <td>1.112 650</td> <td>E-12</td> </tr> <tr> <td>stathenry</td> <td>henry (H)</td> <td>8.987 552</td> <td>E+11</td> </tr> <tr> <td>statmho</td> <td>siemens (S)</td> <td>1.112 650</td> <td>E-12</td> </tr> <tr> <td>statohm</td> <td>ohm (Ω)</td> <td>8.987 552</td> <td>E+11</td> </tr> <tr> <td>statvolt</td> <td>volt (V)</td> <td>2.997 925</td> <td>E+02</td> </tr> <tr> <td>stere (st)</td> <td>cubic meter (m3)</td> <td>1.0</td> <td>E+00 </td> </tr> <tr> <td>stilb (sb)</td> <td>candela per square meter (cd/m2)</td> <td>1.0</td> <td>E+04 </td> </tr> <tr> <td>stokes (St)</td> <td>meter squared per second (m2/s)</td> <td>1.0</td> <td>E-04 </td> </tr> </tbody> </table> <a href="#top">Return to top</a> <a name="T"></a> <table> <tbody> <tr> <th colspan="4" scope="col">T</th> </tr> <tr> <th>To convert from</th> <th>to</th> <th colspan="2">Multiply by</th> </tr> <tr> <td>tablespoon</td> <td>cubic meter (m3)</td> <td>1.478 676</td> <td>E-05</td> </tr> <tr> <td>tablespoon</td> <td>milliliter (mL)</td> <td>1.478 676</td> <td>E+01</td> </tr> <tr> <td>teaspoon</td> <td>cubic meter (m3)</td> <td>4.928 922</td> <td>E-06</td> </tr> <tr> <td>teaspoon</td> <td>milliliter (mL)</td> <td>4.928 922</td> <td>E+00</td> </tr> <tr> <td>tex</td> <td>kilogram per meter (kg/m)</td> <td>1.0</td> <td>E-06 </td> </tr> <tr> <td>therm (EC) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f24">24</a></td> <td>joule (J)</td> <td>1.055 06</td> <td>E+08 </td> </tr> <tr> <td>therm (U.S.) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f24">24</a></td> <td>joule (J)</td> <td>1.054 804</td> <td>E+08 </td> </tr> <tr> <td>ton, assay (AT)</td> <td>kilogram (kg)</td> <td>2.916 667</td> <td>E-02</td> </tr> <tr> <td>ton, assay (AT)</td> <td>gram (g)</td> <td>2.916 667</td> <td>E+01</td> </tr> <tr> <td>ton-force (2000 lbf)</td> <td>newton (N)</td> <td>8.896 443</td> <td>E+03</td> </tr> <tr> <td>ton-force (2000 lbf)</td> <td>kilonewton (kN)</td> <td>8.896 443</td> <td>E+00</td> </tr> <tr> <td>ton, long (2240 lb)</td> <td>kilogram (kg)</td> <td>1.016 047</td> <td>E+03</td> </tr> <tr> <td>ton, long, per cubic yard</td> <td>kilogram per cubic meter (kg/m3)</td> <td>1.328 939</td> <td>E+03</td> </tr> <tr> <td>ton, metric (t)</td> <td>kilogram (kg)</td> <td>1.0</td> <td>E+03 </td> </tr> <tr> <td>tonne (called "metric ton" in U.S.) (t)</td> <td>kilogram (kg)</td> <td>1.0</td> <td>E+03 </td> </tr> <tr> <td>ton of refrigeration (12 000 BtuIT/h)</td> <td>watt (W)</td> <td>3.516 853</td> <td>E+03</td> </tr> <tr> <td>ton of TNT (energy equivalent) <a href="https://www.nist.gov/physical-measurement-laboratory/nist-guide-si-footnotes#f25">25</a></td> <td>joule (J)</td> <td>4.184</td> <td>E+09 </td> </tr> <tr> <td>ton, register</td> <td>cubic meter (m3)</td> <td>2.831 685</td> <td>E+00</td> </tr> <tr> <td>ton, short (2000 lb)</td> <td>kilogram (kg)</td> <td>9.071 847</td> <td>E+02</td> </tr> <tr> <td>ton, short, per cubic yard</td> <td>kilogram per cubic meter (kg/m3)</td> <td>1.186 553</td> <td>E+03</td> </tr> <tr> <td>ton, short, per hour</td> <td>kilogram per second (kg/s)</td> <td>2.519 958</td> <td>E-01</td> </tr> <tr> <td>torr (Torr)</td> <td>pascal (Pa)</td> <td>1.333 224</td> <td>E+02</td> </tr> </tbody> </table> <a href="#top">Return to top</a> <a name="U"></a> <table> <tbody> <tr> <th colspan="4" scope="col">U</th> </tr> <tr> <th>To convert from</th> <th>to</th> <th colspan="2">Multiply by</th> </tr> <tr> <td>unit pole</td> <td>weber (Wb)</td> <td>1.256 637</td> <td>E-07</td> </tr> </tbody> </table> <a href="#top">Return to top</a> <a name="W"></a> <table> <tbody> <tr> <th colspan="4" scope="col">W</th> </tr> <tr> <th>To convert from</th> <th>to</th> <th colspan="2">Multiply by</th> </tr> <tr> <td>watt hour (W · h)</td> <td>joule (J)</td> <td>3.6</td> <td>E+03 </td> </tr> <tr> <td>watt per square centimeter (W/cm2)</td> <td>watt per square meter (W/m2)</td> <td>1.0</td> <td>E+04 </td> </tr> <tr> <td>watt per square inch (W/in2)</td> <td>watt per square meter (W/m2)</td> <td>1.550 003</td> <td>E+03</td> </tr> <tr> <td>watt second (W · s)</td> <td>joule (J)</td> <td>1.0</td> <td>E+00 </td> </tr> </tbody> </table> <a href="#top">Return to top</a> <a name="Y"></a> <table> <tbody> <tr> <th colspan="4" scope="col">Y</th> </tr> <tr> <th>To convert from</th> <th>to</th> <th colspan="2">Multiply by</th> </tr> <tr> <td>yard (yd)</td> <td>meter (m)</td> <td>9.144</td> <td>E-01 </td> </tr> <tr> <td>year (365 days)</td> <td>second (s)</td> <td>3.1536</td> <td>E+07 </td> </tr> <tr> <td>year (sidereal)</td> <td>second (s)</td> <td>3.155 815</td> <td>E+07</td> </tr> <tr> <td>year (tropical)</td> <td>second (s)</td> <td>3.155 693</td> <td>E+07</td> </tr> </tbody> </table> </div> </div> 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NIST Guide to the SI, Appendix B.8: Factors for Units Listed Alphabetically | NIST