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href="https://ar.wikipedia.org/wiki/%D9%82%D8%AF%D9%85-%D9%81%D8%AF%D8%A7%D9%86" title="قدم-فدان – Arabic" lang="ar" hreflang="ar" data-title="قدم-فدان" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Acre-foot" title="Acre-foot – German" lang="de" hreflang="de" data-title="Acre-foot" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Acre-pie" title="Acre-pie – Spanish" lang="es" hreflang="es" data-title="Acre-pie" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Acre-pied" title="Acre-pied – French" lang="fr" hreflang="fr" data-title="Acre-pied" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ig mw-list-item"><a href="https://ig.wikipedia.org/wiki/Ak%E1%BB%A5k%E1%BB%A5_%E1%BB%A5kw%E1%BB%A5" title="Akụkụ ụkwụ – Igbo" lang="ig" hreflang="ig" data-title="Akụkụ ụkwụ" data-language-autonym="Igbo" data-language-local-name="Igbo" class="interlanguage-link-target"><span>Igbo</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Piede_acro" title="Piede acro – Italian" lang="it" hreflang="it" data-title="Piede acro" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%A8%E3%83%BC%E3%82%AB%E3%83%BC%E3%83%BB%E3%83%95%E3%82%A3%E3%83%BC%E3%83%88" title="エーカー・フィート – Japanese" lang="ja" hreflang="ja" data-title="エーカー・フィート" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Acre-p%C3%A9" title="Acre-pé – Portuguese" lang="pt" hreflang="pt" data-title="Acre-pé" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%85%E0%B6%9A%E0%B7%8A%E0%B6%9A%E0%B6%BB-%E0%B6%85%E0%B6%A9%E0%B7%92" title="අක්කර-අඩි – Sinhala" lang="si" hreflang="si" data-title="අක්කර-අඩි" data-language-autonym="සිංහල" data-language-local-name="Sinhala" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Acre_foot" title="Acre foot – Simple English" lang="en-simple" hreflang="en-simple" data-title="Acre foot" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%8F%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%B0%E0%AF%8D_%E0%AE%85%E0%AE%9F%E0%AE%BF" title="ஏக்கர் அடி – Tamil" lang="ta" hreflang="ta" data-title="ஏக்கர் அடி" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%90%D0%BA%D1%80%D0%BE-%D1%84%D1%83%D1%82" title="Акро-фут – Ukrainian" lang="uk" hreflang="uk" 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.infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox ib-unit"><tbody><tr><th colspan="2" class="infobox-above">acre-foot</th></tr><tr><td colspan="2" class="infobox-image notheme" style="background-color: #f8f9fa;"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Acre_foot.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a3/Acre_foot.svg/220px-Acre_foot.svg.png" decoding="async" width="220" height="116" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a3/Acre_foot.svg/330px-Acre_foot.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a3/Acre_foot.svg/440px-Acre_foot.svg.png 2x" data-file-width="475" data-file-height="250" /></a></span><div class="infobox-caption">An acre-foot volume (not drawn to scale)</div></td></tr><tr><th colspan="2" class="infobox-header">General information</th></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/System_of_units_of_measurement" title="System of units of measurement">Unit system</a></th><td class="infobox-data"><a href="/wiki/US_Customary_units" class="mw-redirect" title="US Customary units">US Customary units</a></td></tr><tr><th scope="row" class="infobox-label">Unit of</th><td class="infobox-data">Volume</td></tr><tr><th scope="row" class="infobox-label">Symbol</th><td class="infobox-data">ac⋅ft</td></tr><tr><th colspan="2" class="infobox-header">Conversions </th></tr><tr class="nowrap"><td>1 ac⋅ft <i>in ...</i></td><td><i>... is equal to ...</i></td></tr><tr style="display:none"><th colspan="2"> </th></tr><tr><th scope="row" class="infobox-label"><span class="nowrap">   </span>SI units</th><td class="infobox-data"><span class="nowrap">   </span>≈ 1,233.5 <a href="/wiki/Cubic_metre" title="Cubic metre">m<sup>3</sup></a></td></tr><tr><th scope="row" class="infobox-label"><span class="nowrap">   </span>US customary units</th><td class="infobox-data"><span class="nowrap">   </span>43,560 <a href="/wiki/Cubic_foot" title="Cubic foot">cu ft</a></td></tr><tr><th scope="row" class="infobox-label"><span class="nowrap">   </span>US customary units</th><td class="infobox-data"><span class="nowrap">   </span>≈ 325,850 <a href="/wiki/US_gallon" class="mw-redirect" title="US gallon">US gal</a></td></tr><tr><th scope="row" class="infobox-label"><span class="nowrap">   </span>Imperial units</th><td class="infobox-data"><span class="nowrap">   </span>≈ 271,330 <a href="/wiki/Imperial_gallon" class="mw-redirect" title="Imperial gallon">imp gal</a></td></tr></tbody></table><style data-mw-deduplicate="TemplateStyles:r1236303919">@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-has-images-with-white-backgrounds img{background:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-has-images-with-white-backgrounds img{background:white}}</style> <p>The <b>acre-foot</b> is a non-<a href="/wiki/SI" class="mw-redirect" title="SI">SI</a> unit of <a href="/wiki/Volume" title="Volume">volume</a> equal to about 1,233 m<sup>3</sup> commonly used in the <a href="/wiki/United_States_customary_units#Volume" title="United States customary units">United States</a> in reference to large-scale water resources, such as <a href="/wiki/Reservoir" title="Reservoir">reservoirs</a>, <a href="/wiki/Aqueduct_(water_supply)" title="Aqueduct (water supply)">aqueducts</a>, <a href="/wiki/Canal" title="Canal">canals</a>, <a href="/wiki/Sanitary_sewer" title="Sanitary sewer">sewer</a> flow capacity, <a href="/wiki/Irrigation" title="Irrigation">irrigation</a> water,<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> and <a href="/wiki/River_flow" class="mw-redirect" title="River flow">river flows</a>. </p><p>An acre-foot equals approximately an eight-lane <a href="/wiki/Swimming_pool" title="Swimming pool">swimming pool</a>, 82 ft (25 m) long, 52 ft (16 m) wide and 9.8 ft (3 m) deep. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Definitions">Definitions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Acre-foot&action=edit&section=1" title="Edit section: Definitions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>As the name suggests, an acre-foot is defined as the volume of one <a href="/wiki/Acre" title="Acre">acre</a> of surface area to a depth of one <a href="/wiki/Foot_(unit)" title="Foot (unit)">foot</a>. </p><p>Since an acre is defined as a <a href="/wiki/Chain_(unit)" title="Chain (unit)">chain</a> by a <a href="/wiki/Furlong" title="Furlong">furlong</a> (i.e. 66 ft × 660 ft or 20.12 m × 201.17 m), an acre-foot is 43,560 <a href="/wiki/Cubic_foot" title="Cubic foot">cubic feet</a> (1,233.5 <a href="/wiki/Cubic_metre" title="Cubic metre">m<sup>3</sup></a>). </p><p>There has been two definitions of the acre-foot (differing by about 0.0006%), using either the <a href="/wiki/Foot_(unit)#International_foot" title="Foot (unit)">international foot</a> (0.3048 m) or a <a href="/wiki/Foot_(unit)#Survey_foot" title="Foot (unit)">U.S. survey foot</a> (exactly <style data-mw-deduplicate="TemplateStyles:r1214402035">.mw-parser-output .sfrac{white-space:nowrap}.mw-parser-output .sfrac.tion,.mw-parser-output .sfrac .tion{display:inline-block;vertical-align:-0.5em;font-size:85%;text-align:center}.mw-parser-output .sfrac .num{display:block;line-height:1em;margin:0.0em 0.1em;border-bottom:1px solid}.mw-parser-output .sfrac .den{display:block;line-height:1em;margin:0.1em 0.1em}.mw-parser-output .sr-only{border:0;clip:rect(0,0,0,0);clip-path:polygon(0px 0px,0px 0px,0px 0px);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}</style><span class="sfrac">⁠<span class="tion"><span class="num">1200</span><span class="sr-only">/</span><span class="den">3937</span></span>⁠</span><span class="nowrap"> </span>meters since 1893). On December 31, 2022, the <a href="/wiki/National_Institute_of_Standards_and_Technology" title="National Institute of Standards and Technology">National Institute of Standards and Technology</a>, the <a href="/wiki/National_Geodetic_Survey" class="mw-redirect" title="National Geodetic Survey">National Geodetic Survey</a>, and the <a href="/wiki/United_States_Department_of_Commerce" title="United States Department of Commerce">United States Department of Commerce</a> deprecated use of the US survey foot and recommended conversion to either the meter or the international foot.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <table style="padding-left: 3em"> <tbody><tr> <td>1 acre-foot</td> <td>= 43,560 cubic feet </td></tr> <tr> <td></td> <td>= 75,271,680 cu in </td></tr> <tr> <td></td> <td>= <style data-mw-deduplicate="TemplateStyles:r1154941027">.mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size:80%;line-height:0;vertical-align:super}.mw-parser-output .frac .den{vertical-align:sub}.mw-parser-output .sr-only{border:0;clip:rect(0,0,0,0);clip-path:polygon(0px 0px,0px 0px,0px 0px);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}</style><span class="frac">325,851<span class="sr-only">+</span><span class="num">3</span>⁄<span class="den">7</span></span> US gal <sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>a<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td></td> <td> </td></tr> <tr> <td>international</td> <td>≈ 1,233.4818 m<sup>3</sup> (using the 0.3048 m foot) </td></tr> <tr> <td>U.S. survey</td> <td>≈ 1,233.4892 m<sup>3</sup> (using the <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1214402035"><span class="sfrac">⁠<span class="tion"><span class="num">1200</span><span class="sr-only">/</span><span class="den">3937</span></span>⁠</span> m foot) </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Application">Application</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Acre-foot&action=edit&section=2" title="Edit section: Application"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>As a <a href="/wiki/Rule_of_thumb" title="Rule of thumb">rule of thumb</a> in US water management, one acre-foot is taken to be the planned annual water usage of a suburban family household.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>b<span class="cite-bracket">]</span></a></sup> In some areas of the desert Southwest, where <a href="/wiki/Water_conservation" title="Water conservation">water conservation</a> is followed and often enforced, a typical family uses only about 0.25 <a class="mw-selflink selflink">acre-foot</a> per <a href="/wiki/Annum" class="mw-redirect" title="Annum">year</a> (310 <a href="/wiki/Cubic_metre" title="Cubic metre">m<sup>3</sup></a>/a) of water per year.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> One acre-foot/year is approximately 119 cu ft/d (3.38 m<sup>3</sup>/d). </p><p>The <b>acre-foot per year</b> has been used historically in the US in many water-management agreements, for example the <a href="/wiki/Colorado_River_Compact" title="Colorado River Compact">Colorado River Compact</a>, which divides 15 million acre-feet per year (19 cubic kilometres per year) among seven western US states. </p><p>Water reservoir capacities in the US are commonly given in <b>thousands of acre-feet</b>, abbreviated <b>TAF</b> or <b>KAF</b>. </p><p>In most other countries except the US, the <a href="/wiki/Metric_system" title="Metric system">metric system</a> is in common use and water volumes are normally expressed in <a href="/wiki/Litre" title="Litre">liter</a>, <a href="/wiki/Cubic_metre" title="Cubic metre">cubic meter</a> or cubic <a href="/wiki/Kilometre" title="Kilometre">kilometer</a>. One acre-foot is approximately equivalent to 1.233 megaliters. Large bodies of water may be measured in cubic kilometers (1,000,000,000 m<sup>3</sup>, or 1000 gigaliter), with 1 million acre-feet approximately equalling 1.233 km<sup>3</sup>. </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Acre-foot&action=edit&section=3" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239009302">.mw-parser-output .portalbox{padding:0;margin:0.5em 0;display:table;box-sizing:border-box;max-width:175px;list-style:none}.mw-parser-output .portalborder{border:1px solid var(--border-color-base,#a2a9b1);padding:0.1em;background:var(--background-color-neutral-subtle,#f8f9fa)}.mw-parser-output .portalbox-entry{display:table-row;font-size:85%;line-height:110%;height:1.9em;font-style:italic;font-weight:bold}.mw-parser-output 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portal</a></span></li></ul> <ul><li><a href="/wiki/Cubic_metre_per_second" title="Cubic metre per second">Cubic meter per second</a></li> <li><a href="/wiki/Cubic_foot_per_second" class="mw-redirect" title="Cubic foot per second">Cubic foot per second</a></li> <li><a href="/wiki/List_of_unusual_units_of_measurement" title="List of unusual units of measurement">List of unusual units of measurement</a></li> <li><a href="/wiki/United_States_customary_units" title="United States customary units">United States customary units</a></li> <li><a href="/wiki/Unit_of_measurement" title="Unit of measurement">Unit of measurement</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Explanatory_notes">Explanatory notes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Acre-foot&action=edit&section=4" title="Edit section: Explanatory notes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-lower-alpha"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text">As the foot is used via the inch to define the U.S. gallon, the number of US gallons in an acre feet is the same no matter which foot is used</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text">The state of Montana assumes 1.0 <a class="mw-selflink selflink">acre-foot</a> per <a href="/wiki/Annum" class="mw-redirect" title="Annum">year</a> (1,200 <a href="/wiki/Cubic_metre" title="Cubic metre">m<sup>3</sup></a>/a) for a family of five.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="Citations">Citations</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Acre-foot&action=edit&section=5" title="Edit section: Citations"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20051114202301/http://www.ose.state.nm.us/water_info_glossary.html">"NM OSE Glossary"</a>. Archived from <a rel="nofollow" class="external text" href="http://www.ose.state.nm.us/water_info_glossary.html#A">the original</a> on 14 November 2005<span class="reference-accessdate">. Retrieved <span class="nowrap">15 March</span> 2014</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=NM+OSE+Glossary&rft_id=http%3A%2F%2Fwww.ose.state.nm.us%2Fwater_info_glossary.html%23A&rfr_id=info%3Asid%2Fen.wikipedia.org%3AAcre-foot" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.nist.gov/pml/us-surveyfoot">"U.S. Survey Foot"</a>. <i>National Institute of Standards and Technology</i>. 4 January 2023<span class="reference-accessdate">. Retrieved <span class="nowrap">4 April</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=National+Institute+of+Standards+and+Technology&rft.atitle=U.S.+Survey+Foot&rft.date=2023-01-04&rft_id=https%3A%2F%2Fwww.nist.gov%2Fpml%2Fus-surveyfoot&rfr_id=info%3Asid%2Fen.wikipedia.org%3AAcre-foot" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWater_Rights_Bureaustate_of_Montana2004" class="citation web cs1">Water Rights Bureau; state of Montana (13 April 2004). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20080125225729/http://dnrc.mt.gov/wrd/water_rts/wr_general_info/wrforms/627.pdf">"Form No. 627 R8/03 Notice of Water Right"</a> <span class="cs1-format">(PDF)</span>. Archived from <a rel="nofollow" class="external text" href="http://dnrc.mt.gov/wrd/water_rts/wr_general_info/wrforms/627.pdf">the original</a> <span class="cs1-format">(PDF)</span> on 25 January 2008<span class="reference-accessdate">. Retrieved <span class="nowrap">30 January</span> 2008</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Form+No.+627+R8%2F03+Notice+of+Water+Right&rft.date=2004-04-13&rft.au=Water+Rights+Bureau&rft.au=state+of+Montana&rft_id=http%3A%2F%2Fdnrc.mt.gov%2Fwrd%2Fwater_rts%2Fwr_general_info%2Fwrforms%2F627.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AAcre-foot" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><a href="/wiki/Santa_Fe,_New_Mexico" title="Santa Fe, New Mexico">Santa Fe, New Mexico</a> rate averages 0.25 acre-foot per year per household. See <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFPlanning_Division,_Planning_&_Land_Use_Department,_City_of_Santa_Fe,_New_Mexico2001" class="citation web cs1">Planning Division, Planning & Land Use Department, City of Santa Fe, New Mexico (February 2001). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20120722005241/http://www.santafenm.gov/DocumentView.aspx?DID=1427">"Water Use in Santa Fe: A survey of residential and commercial water use in the Santa Fe urban area"</a>. Archived from <a rel="nofollow" class="external text" href="http://www.santafenm.gov/DocumentView.asp?DID=1427">the original</a> <span class="cs1-format">(<a href="/wiki/PDF" title="PDF">PDF</a>)</span> on 22 July 2012<span class="reference-accessdate">. Retrieved <span class="nowrap">30 January</span> 2008</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Water+Use+in+Santa+Fe%3A+A+survey+of+residential+and+commercial+water+use+in+the+Santa+Fe+urban+area&rft.date=2001-02&rft.au=Planning+Division%2C+Planning+%26+Land+Use+Department%2C+City+of+Santa+Fe%2C+New+Mexico&rft_id=http%3A%2F%2Fwww.santafenm.gov%2FDocumentView.asp%3FDID%3D1427&rfr_id=info%3Asid%2Fen.wikipedia.org%3AAcre-foot" class="Z3988"></span></span> </li> </ol></div></div> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline 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Units"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:United_States_Customary_Units" title="Template talk:United States Customary Units"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:United_States_Customary_Units" title="Special:EditPage/Template:United States Customary Units"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="United_States_customary_units" style="font-size:114%;margin:0 4em"><a href="/wiki/United_States_customary_units" title="United States customary units">United States customary units</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="2"><div><a href="/wiki/Comparison_of_the_imperial_and_US_customary_measurement_systems" title="Comparison of the imperial and US customary measurement systems">Comparison with imperial unit system</a></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Length</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Thousandth_of_an_inch" title="Thousandth of an inch">Thousandth of an inch</a></li> <li><a href="/wiki/Inch" title="Inch">Inch</a></li> <li><a href="/wiki/Hand_(unit)" title="Hand (unit)">Hand</a></li> <li><a href="/wiki/Link_(unit)" title="Link (unit)">Link</a></li> <li><a href="/wiki/Foot_(unit)" title="Foot (unit)">Foot</a></li> <li><a href="/wiki/Yard" title="Yard">Yard</a></li> <li><a href="/wiki/Rod_(unit)" title="Rod (unit)">Rod</a></li> <li><a href="/wiki/Chain_(unit)" title="Chain (unit)">Chain</a></li> <li><a href="/wiki/Furlong" title="Furlong">Furlong</a></li> <li><a href="/wiki/Mile" title="Mile">Mile</a> <ul><li><a href="/wiki/Statute_mile" class="mw-redirect" title="Statute mile">statute</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Area</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Square_inch" title="Square inch">Square inch</a></li> <li><a href="/wiki/Square_foot" title="Square foot">Square foot</a></li> <li><a href="/wiki/Square_yard" title="Square yard">Square yard</a></li> <li><a href="/wiki/Acre" title="Acre">Acre</a></li> <li><a href="/wiki/Square_mile" title="Square mile">Square mile</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Volume</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Derived</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cubic_inch" title="Cubic inch">Cubic inch</a></li> <li><a href="/wiki/Cubic_foot" title="Cubic foot">Cubic foot</a></li> <li><a href="/wiki/Cubic_yard" title="Cubic yard">Cubic yard</a></li> <li><a href="/wiki/Cubic_mile" title="Cubic mile">Cubic mile</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Cooking</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Teaspoon" title="Teaspoon">Teaspoon</a></li> <li><a href="/wiki/Tablespoon" title="Tablespoon">Tablespoon</a></li> <li><a href="/wiki/Fluid_ounce" title="Fluid ounce">Fluid ounce</a></li> <li><a href="/wiki/Cup_(unit)" title="Cup (unit)">Cup</a></li> <li><a href="/wiki/Pint" title="Pint">Pint</a></li> <li><a href="/wiki/Quart" title="Quart">Quart</a></li> <li><a href="/wiki/Gallon" title="Gallon">Gallon</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Wood</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Board_foot" title="Board foot">Board foot</a></li> <li><a href="/wiki/Cord_(unit)" title="Cord (unit)">Cord</a></li> <li><a href="/wiki/Face_cord" title="Face cord">Face cord</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Minim_(unit)" title="Minim (unit)">Minim</a></li> <li><a href="/wiki/Gill_(unit)" title="Gill (unit)">Gill</a></li> <li><a href="/wiki/Peck" title="Peck">Peck</a></li> <li><a href="/wiki/Bushel" title="Bushel">Bushel</a></li> <li><a href="/wiki/Barrel_(unit)" title="Barrel (unit)">Barrel</a></li> <li><a class="mw-selflink selflink">Acre-foot</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Speed</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Feet_per_second" class="mw-redirect" title="Feet per second">Feet per second</a></li> <li><a href="/wiki/Miles_per_hour" title="Miles per hour">Miles per hour</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Mass</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Grain_(unit)" title="Grain (unit)">Grain</a></li> <li><a href="/wiki/Dram_(unit)" title="Dram (unit)">Dram</a></li> <li><a href="/wiki/Ounce" title="Ounce">Ounce</a></li> <li><a href="/wiki/Pound_(mass)" title="Pound (mass)">Pound</a></li> <li><a href="/wiki/Hundredweight" title="Hundredweight">Hundredweight</a></li> <li><a href="/wiki/Ton" title="Ton">Ton</a> <ul><li><a href="/wiki/Long_ton" title="Long ton">Long</a></li> <li><a href="/wiki/Short_ton" title="Short ton">Short</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Force</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Poundal" title="Poundal">Poundal</a></li> <li><a href="/wiki/Pound_(force)" title="Pound (force)">Pound-force</a></li> <li><a href="/wiki/Kip_(unit)" title="Kip (unit)">Kip</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Pressure</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Inch_of_mercury" title="Inch of mercury">Inch of mercury</a></li> <li><a href="/wiki/Pounds_per_square_inch" class="mw-redirect" title="Pounds per square inch">Pounds per square inch</a></li> <li><a href="/wiki/Ksi_(unit)" class="mw-redirect" title="Ksi (unit)">Kilopounds per square inch</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other units and measures</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bolt_(cloth)" title="Bolt (cloth)">Bolt (cloth)</a></li> <li><a href="/wiki/British_thermal_unit" title="British thermal unit">British thermal unit</a></li> <li><a href="/wiki/Degree_(angle)" title="Degree (angle)">Degree (angle)</a></li> <li><a href="/wiki/Fahrenheit" title="Fahrenheit">Fahrenheit</a></li> <li><a href="/wiki/Foot-candle" title="Foot-candle">Foot-candle</a></li> <li><a href="/wiki/Foot-lambert" title="Foot-lambert">Foot-lambert</a></li> <li><a href="/wiki/Foot-pound_(energy)" title="Foot-pound (energy)">Foot-pound (energy)</a></li> <li><a href="/wiki/Horsepower" title="Horsepower">Horsepower</a></li> <li><a href="/wiki/Perm_(unit)" title="Perm (unit)">Perm</a></li> <li><a href="/wiki/Pound-foot_(torque)" title="Pound-foot (torque)">Pound-foot (torque)</a></li> <li><a href="/wiki/Spinning_count" title="Spinning count">Spinning count</a></li> <li><a href="/wiki/Ton_of_refrigeration" title="Ton of refrigeration">Ton of refrigeration</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related systems</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/American_wire_gauge" title="American wire gauge">American wire gauge</a></li> <li><a href="/wiki/Avoirdupois_system" class="mw-redirect" title="Avoirdupois system">Avoirdupois system</a></li> <li><a href="/wiki/Body_jewelry_sizes" title="Body jewelry sizes">Body jewelry sizes</a></li> <li><a href="/wiki/English_Engineering_Units" title="English Engineering Units">English Engineering Units</a></li> <li><a href="/wiki/Foot%E2%80%93pound%E2%80%93second_system_of_units" title="Foot–pound–second system of units">Foot–pound–second system of units</a></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Acre-foot&oldid=1254892732">https://en.wikipedia.org/w/index.php?title=Acre-foot&oldid=1254892732</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:Customary_units_of_measurement_in_the_United_States" title="Category:Customary units of measurement in the United States">Customary units of measurement in the United States</a></li><li><a href="/wiki/Category:Units_of_volume" 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