ft - Foot. Conversion Chart

This converter features contemporary units of length. There is also a special converter for historical units of length you might want to visit for ancient, medieval and other old units that are no longer used.
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1This is a conversion chart for foot (The American System (US Customary Units) and British Imperial Measures). To switch the unit simply find the one you want on the page and click it.
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Number of significat figures

Do you want rounded off figures or scientifically precise ones? For everyday conversions we recommend choosing 3 or 4 significant digits. If you want maximum precision, set the number to 9

Digit groups separator

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1234567.89none
1 234 567.89space
1,234,567.89comma
1.234.567,89point

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Your value (foot, ft):
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Metric

foot to kilometer (km)
foot to meter (m)
foot to decimeter (dm)
foot to centimeter (cm)
foot to millimeter (mm)
foot to micrometre (micron)
foot to nanometer (nm)
foot to ångström
Units: kilometer (km)  / meter (m)  / decimeter (dm)  / centimeter (cm)  / millimeter (mm)  / micrometre (micron)  / nanometer (nm)  / ångström
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The American System (US Customary Units) and British Imperial Measures

American weights and measures are based on units used in Britain prior to 1826, when imperial system was officially established. Until 1960-1963 American and British units of length were different in 2 parts per million. In the middle of 20th century it started causing problems and the governments of the two countries agreed to refine the measures to exactly match. Since then Great Britain and the United States were using the same measures of length. In the U.S. the old standard of foot was retained with the name US survey foot.

From 1995 the UK adopted metric units for general use. The only imperial measures of length that can be officially used now are miles, yards, feet and inches for road traffic signs.

foot to league
foot to mile (mi)
foot to land
foot to furlong
foot to bolt
foot to chain
foot to pole
foot to rod (rd)
foot to perch
foot to yard (yd)
foot to feet and inches (x'y")
foot to span
foot to hand
foot to inch (in)
foot to line
foot to mil
foot to microinch
Units: league  / mile (mi)  / land  / furlong  / bolt  / chain  / pole  / rod (rd)  / perch  / yard (yd)  /  / feet and inches (x'y")  / span  / hand  / inch (in)  / line  / mil  / microinch
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British Imperial Measure before 1963

The first English official measurement standards were defined in 15th century. British system of units, known as imperial units, was established in 1824. The British Weights and Meausurements Act of 1824 repealed all existing British measures legislation and redefined existing units. The 1963 Weights and Measures Act standartized the international measures.
foot to league
foot to mile (mi)
foot to land
foot to skein
foot to bolt
foot to shackle
foot to furlong
foot to chain
foot to rope
foot to pole
foot to goad
foot to ell
foot to yard (yd)
foot to pace
foot to cubit (cu)
foot to foot (ft)
foot to span (sp)
foot to nail
foot to shaftment
foot to hand (hd)
foot to palm (plm)
foot to inch (in)
foot to finger
foot to digit
foot to barleycorn
foot to poppyseed
foot to line
foot to button
foot to caliber
foot to thou (th)
foot to mil
Units: league  / mile (mi)  / land  / skein  / bolt  / shackle  / furlong  / chain  / rope  / pole  / goad  / ell  / yard (yd)  / pace  / cubit (cu)  / foot (ft)  / span (sp)  / nail  / shaftment  / hand (hd)  / palm (plm)  / inch (in)  / finger  / digit  / barleycorn  / poppyseed  / line  / button  / caliber  / thou (th)  / mil
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US Surveyors' Measure

foot to furlong
foot to Ramsden's (engineers') chain (ch)
foot to Gunter's (surveyors') chain (ch)
foot to Gurley's chain (ch)
foot to Gunter's (surveyors') pole
foot to Gunter's (surveyors') yard
foot to Gunter's (surveyors') foot (ft)
Units: furlong  / Ramsden's (engineers') chain (ch)  / Gunter's (surveyors') chain (ch)  / Gurley's chain (ch)  / Gunter's (surveyors') pole  / Gunter's (surveyors') yard  / Ramsden's (engineers') link  / Gunter's (surveyors') link  / Gurley's link  / Gunter's (surveyors') foot (ft)
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International Nautical Measure

The international nautical mile was defined by the First International Extraordinary Hydrographic Conference, Monaco in 1929. This is the only definition in widespread current use, and is the one accepted by the International Bureau of Weights and Measures. Before 1929 different countries had different definitions, and the Soviet Union, the United Kingdom and the United States did not immediately accept the international value.
foot to nautical league (naut.leag)
foot to nautical mile (naut.mi)
foot to cable length (cbl)
foot to fathom (fath)
Units: nautical league (naut.leag)  / nautical mile (naut.mi)  / cable length (cbl)  / fathom (fath)
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US Nautical Measure

These measures were abandoned in favor of the international nautical measures in 1954.
foot to US nautical mile
foot to US fathom (fath)
Units: US nautical mile  / US cable length  / US fathom (fath)
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British (Imperial) Nautical Measure

These measures were abandoned in favor of the international nautical measures in 1970.
foot to Admiralty mile
foot to Admiralty cable length
Units: Admiralty mile  / Admiralty cable length
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Spanish Customary Units Still In Use Today

These units are still actively used in some countries of Latin America. Their values vary from country to country. You can find more old Spanish customary units on our historical lengths page.
foot to cuadra of Argentina
foot to cuadra of Bolivia
foot to cuadra of Chile
foot to cuadra of Colombia
foot to cuadra of Ecuador
foot to cuadra of Nicaragua
foot to cuadra of Paraguay
foot to cuadra of Uruguay
foot to vara of Argentina
foot to vara of Brazil
foot to vara of Chile
foot to vara of Colombia
foot to vara of Costa Rica
foot to vara of Cuba
foot to vara of Dominican Republic
foot to vara of Ecuador
foot to vara of El Salvador
foot to vara of Guatemala
foot to vara of Honduras
foot to vara of Mexico
foot to vara of Nicaragua
foot to vara of Panama
foot to vara of Paraguay
foot to vara of Peru (peruana)
foot to vara of Peru (española)
foot to vara of Uruguay
foot to vara of São Tomé and Principe
foot to vara of Venezuela
Units: cuadra of Argentina  / cuadra of Bolivia  / cuadra of Chile  / cuadra of Colombia  / cuadra of Ecuador  / cuadra of Nicaragua  / cuadra of Paraguay  / cuadra of Uruguay  / vara of Argentina  / vara of Brazil  / vara of Chile  / vara of Colombia  / vara of Costa Rica  / vara of Cuba  / vara of Dominican Republic  / vara of Ecuador  / vara of El Salvador  / vara of Guatemala  / vara of Honduras  / vara of Mexico  / vara of Nicaragua  / vara of Panama  / vara of Paraguay  / vara of Peru (peruana)  / vara of Peru (española)  / vara of Uruguay  / vara of São Tomé and Principe  / vara of Venezuela
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Japanese

foot to ri (里)
foot to cho (町)
foot to jo (丈)
foot to hiro (尋)
foot to ken (間)
foot to shaku (尺)
foot to sun (寸)
foot to bu (分)
foot to rin (厘)
foot to mo (毛, 毫)
Units: ri (里)  / cho (町)  / jo (丈)  / hiro (尋)  / ken (間)  / shaku (尺)  / sun (寸)  / bu (分)  / rin (厘)  / mo (毛, 毫)
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Chinese units of 1930

foot to li (市里)
foot to yin (引)
foot to zhang (市丈)
foot to chi (市尺)
foot to cun (市寸)
foot to fen (市分)
foot to li (釐 or 厘)
foot to hao (毫)
foot to si (丝)
foot to hu (忽)
Units: li (市里)  / yin (引)  / zhang (市丈)  / chi (市尺)  / cun (市寸)  / fen (市分)  / li (釐 or 厘)  / hao (毫)  / si (丝)  / hu (忽)
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Chinese units of 1915

foot to li (里)
foot to yin (引)
foot to zhang (丈)
foot to bu (步)
foot to chi (尺)
foot to cun (寸)
foot to fen (分)
foot to li (釐 or 厘)
foot to hao (毫)
foot to si (丝)
foot to hu (忽)
Units: li (里)  / yin (引)  / zhang (丈)  / bu (步)  / chi (尺)  / cun (寸)  / fen (分)  / li (釐 or 厘)  / hao (毫)  / si (丝)  / hu (忽)
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Hong Kong units

foot to cek (尺)
foot to tsun (寸)
foot to fan (分)
Units: cek (尺)  / tsun (寸)  / fan (分)
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Thai units

Some of these units are still in use even though metric system was formally established in 1923. Before the metrication the old units were standartied to exact metric values.
foot to yot (โยชน์, league)
foot to sen (เส้น, rope)
foot to wa (วา, fathom)
foot to sok (ศอก, cubit)
foot to khuep (คืบ, span)
foot to nio (นิ้ว, finger)
foot to krabiat (กระเบียด, quarter of a finger)
Units: yot (โยชน์, league)  / sen (เส้น, rope)  / wa (วา, fathom)  / sok (ศอก, cubit)  / khuep (คืบ, span)  / nio (นิ้ว, finger)  / krabiat (กระเบียด, quarter of a finger)
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Optical

foot to dioptre (diopter)
Units: dioptre (diopter)
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Geographical (German)

foot to geographical mile
Units: geographical mile
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Computer Equipment

A rack unit, U or RU is a unit of measure that describes the height of equipment designed to mount in a 19-inch rack or a 23-inch rack. The 19-inch (482.6 mm) or 23-inch (584.2 mm) dimension refers to the width of the equipment mounting frame in the rack including the frame; the width of the equipment that can be mounted inside the rack is less.
foot to rack unit (U)
foot to horizontal pitch (HP)
Units: rack unit (U)  / horizontal pitch (HP)
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Typographical (British and U.S. - ATA system)

foot to pica
foot to pica [PostScript]
foot to point (pt)
foot to point [PostScript] (pt)
foot to pixel (px)
foot to twip
Units: pica  / pica [PostScript]  / point (pt)  / point [PostScript] (pt)  / pixel (px)  / twip
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Typographical (Europe - Didot system)

foot to cicero
foot to point (pt)
Units: cicero  / point (pt)
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European footwear unit

foot to Paris point
Units: Paris point
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Astronomical

foot to red shift (z)
foot to parsec (pc)
foot to light year
foot to astronomical unit (au)
foot to light minute
foot to light second
Units: red shift (z)  / parsec (pc)  / light year  / astronomical unit (au)  / light minute  / light second
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Grace Hopper's units of distance

Grace Hopper is famous for her nanoseconds visual aid. People used to ask her why satellite communication took so long. She started handing out pieces of wire that were just under one foot long (11.80 inches) — the distance that light travels in one nanosecond. She also passed out packets of pepper, calling the individual grains of ground pepper picoseconds. She also used these aids to illustrate why computers had to be small to be fast.
foot to light microsecond
foot to light nanosecond
foot to light picosecond
Units: light microsecond  / light nanosecond  / light picosecond
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Natural units

In physics, natural units are physical units of measurement based only on universal physical constants. The origin of their definition comes only from properties of nature and not from any human construct.
foot to Planck length (L)
Units: Planck length (L)

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