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eFunda: Units and Constants
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background-color:#FFFFCC; padding:5px;"> <table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr bgcolor="#ffffcc"><td align="center" style="padding-bottom:5px;"><img src="images/search_units.gif"></td></tr> <tr bgcolor="#ffffcc"><td align="center" class="smalltext"> <form method="post" action="search.cfm" style="margin:0px; padding:0px;"> <input type="hidden" name="Alfa" value="no"> <input class="smalltext" type="text" style="width:150px;" size="14" name="search_string" value=""> <input type="image" src="../images/go3.gif" border="0" align="absmiddle"> </td></tr> <tr bgcolor="#ffffcc"><td> <table border="0" cellspacing="0" cellpadding="0"> <tr><td class="smalltext" nowrap> <input type="radio" name="search_type" value="unit" checked>Units <input type="radio" name="search_type" value="currency" >Currencies </td></tr> <tr><td class="smalltext"> <input type="radio" name="search_type" value="constant" >Constants </td></tr> </table> </td></tr> </form> </table> </div></div> <table width="298" border="0" cellspacing="0" cellpadding="1"> <tr> <td width="10"></td> <td width="284"></td> </tr> <tr bgcolor="#ccffcc"> <td colspan="2" class="smalltext" align="center"><b>Units Home</b></td> </tr> <tr> <td valign="top"><img src="../images/dot.gif"></td> <td class="smalltext"><b>Unit Conversion</b></td> </tr> <tr> <td valign="top"><img src="/images/pixel.png"></td> <td class="smalltext"><a href="show_units.cfm?Alfa=A&String1=aaaa&String2=azzz" class="title1" >List Units</a></td> </tr> <tr> <td valign="top"><img src="/images/pixel.png"></td> <td class="smalltext"><a href="show_categories.cfm" class="title1" >List Categories</a></td> </tr> <tr> <td valign="top"><img src="/images/pixel.png"></td> <td class="smalltext"><a href="convert_currencies.cfm" class="title1" >Currencies</a></td> </tr> <tr> <td valign="top"><img src="../images/dot.gif"></td> <td class="smalltext"><b>SI System</b></td> </tr> <tr> <td valign="top"><img src="/images/pixel.png"></td> <td class="smalltext"><a class="title1" href="si_base_units.cfm">Base Units</a></td> </tr> <tr> <td valign="top"><img src="/images/pixel.png"></td> <td class="smalltext"><a class="title1" href="si_derived_units.cfm">Derived Units</a></td> </tr> <tr> <td valign="top"><img src="/images/pixel.png"></td> <td class="smalltext"><a class="title1" href="si_prefixes.cfm">Prefixes</a></td> </tr> <tr> <td valign="top"><img src="../images/dot.gif"></td> <td class="smalltext"><b>Numbers</b></td> </tr> <tr> <td valign="top"><img src="/images/pixel.png"></td> <td class="smalltext"><a href="show_constants.cfm?Mode=List" class="title1">Constants</a></td> </tr> <tr> <td valign="top"><img src="/images/pixel.png"></td> <td class="smalltext"><a href="base_n.cfm" class="title1">Base-<i>N</i></a></td> </tr> <tr> <td valign="top"><img src="/images/pixel.png"></td> <td class="smalltext"><a href="fractions.cfm" class="title1">Fractions</a></td> </tr> <tr> <td valign="top"><img src="/images/pixel.png"></td> <td class="smalltext"><a href="dhms.cfm" class="title1">Time / Decimal</a></td> </tr> <tr> <td valign="top"><img src="../images/dot.gif"></td> <td class="smalltext"><b>Resources</b></td> </tr> <tr> <td valign="top"><img src="/images/pixel.png"></td> <td class="smalltext"><a href="bibliography.cfm" class="title1">Bibliography</a></td> </tr> </table> </div> <div class="ros-left-banner"> <!--- GlobalSpec DFP 300x250 ---> <div id='div-gpt-ad-1584717204048-1' style='width:300px; 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"> <!--- ROS In-Article ---> <div style=""> <!--- Google Adsense ---> <script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <ins class="adsbygoogle" style="display:block; text-align:center;" data-ad-layout="in-article" data-ad-format="fluid" data-ad-client="ca-pub-4893968732705577" data-ad-slot="7922155920"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <!--- End of Google Adsense ---> </div> </div> <div class="main-meat"> <div style="padding-top:20px; padding-bottom:10px;"><img src="../images/section_bar_1.png" border="0"></div> <div align="left" class="smalltext" style="padding-top:10px;"> <b>List Units:</b> <a href="show_units.cfm?Alfa=A&String1=aaaa&String2=azzz">A</a> <a href="show_units.cfm?Alfa=B&String1=baaa&String2=bzzz">B</a> <a href="show_units.cfm?Alfa=C&String1=caaa&String2=czzz">C</a> <a href="show_units.cfm?Alfa=D&String1=daaa&String2=dzzz">D</a> <a href="show_units.cfm?Alfa=E-F&String1=eaaa&String2=fzzz">E-F</a> <a href="show_units.cfm?Alfa=G&String1=gaaa&String2=gzzz">G</a> <a href="show_units.cfm?Alfa=H-I&String1=haaa&String2=izzz">H-I</a> <a href="show_units.cfm?Alfa=J-L&String1=jaaa&String2=lzzz">J-L</a> <a href="show_units.cfm?Alfa=M&String1=maaa&String2=mzzz">M</a> <a href="show_units.cfm?Alfa=N&String1=naaa&String2=nzzz">N</a> <a href="show_units.cfm?Alfa=O-P&String1=oaaa&String2=pzzz">O-P</a> <a href="show_units.cfm?Alfa=Q-R&String1=qaaa&String2=rzzz">Q-R</a> <a href="show_units.cfm?Alfa=S&String1=saaa&String2=szzz">S</a> <a href="show_units.cfm?Alfa=T&String1=taaa&String2=tzzz">T</a> <a href="show_units.cfm?Alfa=U-Z&String1=uaaa&String2=zzzz">U-Z</a> </div> <table width="100%" border="0" cellspacing="0" cellpadding="10"> <tr> <td valign="top" class="smalltext" style="padding-left:0px; line-height:23px;"> <span class="text"><b>Geometric</b></span><br> <a href="show_units.cfm?Alfa=no&String1=Angle&String2=angle">Angle</a><br> <a href="show_units.cfm?Alfa=no&String1=Length&String2=none">Length</a><br> <span class="footnotetext"> <span class="gray"><a href="convert_units.cfm?From=165"><span class="gray">inch</span></a>, <a href="convert_units.cfm?From=131"><span class="gray">foot</span></a>, <a href="convert_units.cfm?From=366"><span class="gray">mm</span></a>, <a href="convert_units.cfm?From=687"><span class="gray">mile</span></a>, <a href="convert_units.cfm?From=341"><span class="gray">meter</span></a>, ...</span><br></span> <a href="show_units.cfm?Alfa=no&String1=Area&String2=none">Area</a><br> <a href="show_units.cfm?Alfa=no&String1=Volume&String2=none">Volume</a><br> <img src="../images/pixel.gif" width=7 height=20><br> <span class="text"><b>Kinematics</b></span><br> <a href="show_units.cfm?Alfa=no&String1=Time&String2=none">Time</a><br> <a href="show_units.cfm?Alfa=no&String1=Velocity&String2=velocity">Velocity</a><br> <span class="footnotetext"> <span class="gray"><a href="convert_units.cfm?From=361"><span class="gray">mph</span></a>, <a href="convert_units.cfm?From=772"><span class="gray">km/hr</span></a>, <a href="convert_units.cfm?From=132"><span class="gray">ft/s</span></a>, <a href="convert_units.cfm?From=207"><span class="gray">knot</span></a>, ...</span><br></span> <a href="show_units.cfm?Alfa=no&String1=Acceleration&String2=acceleration">Acceleration</a><br> <a href="show_units.cfm?Alfa=no&String1=Volume%20flow%20rate&String2=none">Volume Flow Rate</a><br> <img src="../images/pixel.gif" width=7 height=20><br> <span class="text"><b>Kinetics</b></span><br> <a href="show_units.cfm?Alfa=no&String1=Mass&String2=none">Mass</a><br> <span class="footnotetext"> <span class="gray"><a href="convert_units.cfm?From=425"><span class="gray">lbm</span></a>, <a href="convert_units.cfm?From=186"><span class="gray">kg</span></a>, <a href="convert_units.cfm?From=394"><span class="gray">oz</span></a>, <a href="convert_units.cfm?From=583"><span class="gray">carat</span></a>, <a href="convert_units.cfm?From=494"><span class="gray">slug</span></a>, ...</span><br></span> <a href="show_units.cfm?Alfa=no&String1=Density&String2=none">Density</a><br> <a href="show_units.cfm?Alfa=no&String1=Force&String2=none">Force</a><br> <span class="footnotetext"> <span class="gray"><a href="convert_units.cfm?From=428"><span class="gray">lbf</span></a>, <a href="convert_units.cfm?From=194"><span class="gray">kgf</span></a>, <a href="convert_units.cfm?From=383"><span class="gray">newton</span></a>, <a href="convert_units.cfm?From=307"><span class="gray">dyne</span></a>, ...</span><br></span> <a href="show_units.cfm?Alfa=no&String1=Moment&String2=torque">Moment/Torque</a><br> <a href="show_units.cfm?Alfa=no&String1=Pressure&String2=none">Pressure</a><br> <span class="footnotetext"> <span class="gray"><a href="convert_units.cfm?From=430"><span class="gray">psi</span></a>, <a href="convert_units.cfm?From=166"><span class="gray">in-Hg</span></a>, <a href="convert_units.cfm?From=169"><span class="gray">in-H2O</span></a>, <a href="convert_units.cfm?From=229"><span class="gray">torr</span></a>, <a href="convert_units.cfm?From=18"><span class="gray">bar</span></a>, ...</span><br></span> <a href="show_units.cfm?Alfa=no&String1=Energy&String2=none">Energy</a><br> <a href="show_units.cfm?Alfa=no&String1=Power&String2=Power">Power</a><br> <span class="footnotetext"> <span class="gray"><a href="convert_units.cfm?From=161"><span class="gray">hp</span></a>, <a href="convert_units.cfm?From=240"><span class="gray">watt</span></a>, <a href="convert_units.cfm?From=545"><span class="gray">Btu/s</span></a>, <a href="convert_units.cfm?From=824"><span class="gray">ton (refrig.)</span></a>, ...</span><br></span> </td> <td valign="top" class="smalltext" style="padding-right:0px; line-height:23px;"> <span class="text"><b>Miscellaneous</b></span><br> <a href="show_units.cfm?Alfa=no&String1=Temperature&String2=temperature">Temperature</a><br> <a href="show_units.cfm?Alfa=no&String1=Viscosity&String2=viscosity">Viscosity</a><br> <a href="show_units.cfm?Alfa=no&String1=Electric&String2=electric">Electric</a><br> <a href="show_units.cfm?Alfa=no&String1=Luminous&String2=luminous">Luminous</a><br> <a href="show_units.cfm?Alfa=no&String1=Magnetic&String2=magnet">Magnetic</a><br> <a href="show_units.cfm?Alfa=no&String1=Thermal&String2=thermal">Thermal</a><br> <a href="show_units.cfm?Alfa=no&String1=Permeability&String2=permeability">Permeability</a><br> <a href="../designstandards/gages/wire_forward.cfm">Wire Gages</a><br> <a href="../designstandards/gages/sheet_forward.cfm">Sheet Metal Gages</a><br> <a href="hardness/show_hardness.cfm">Hardness</a><br> <a href="show_categories.cfm">more categories</a>...<br> <img src="../images/pixel.gif" width=7 height=20><br> <span class="text"><b>Currencies</b></span> <span class="footnotetext">(<i>updated daily</i>)</span><br> <a href="convert_currencies.cfm?From=USD">US Dollar</a><br> <a href="convert_currencies.cfm?From=EUR">Euro</a><br> <a href="convert_currencies.cfm?From=JPY">Japanese Yen</a><br> <a href="convert_currencies.cfm?From=CNY">Chinese Yuan (Renminbi)</a><br> <a href="show_currencies.cfm">more</a>...<br> <img src="../images/pixel.gif" width=7 height=20><br> <span class="text"><b>Fundamental Constants</b></span><br> <a href="show_constants.cfm?Mode=group&Category=Mathematical">Mathematical</a><br> <a href="show_constants.cfm?Mode=group&Category=Universal">Universal</a><br> <a href="show_constants.cfm?Mode=group&Category=Atomic">Atomic</a><br> <a href="show_constants.cfm?Mode=group&Category=Physical">Physical</a><br> <a href="show_constants.cfm?Mode=group&Category=Electro-Magnetic">Electro-Magnetic</a><br> <a href="show_constants.cfm?Mode=list">Show All</a><br> </td> </tr> </table> </div> <div class="SectionTitle" style="margin-top:40px;"><a class="title1" href="https://efunda.tradepub.com"><b>FREE Publications</b></a></div> <div><img src="/images/section_bar_1.png"></div> <div style="padding:10px 0; 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