Bolt. 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 bolt (British Imperial Measure before 1963). To switch the unit simply find the one you want on the page and click it.
You can also go to the universal conversion page.
2Enter the value you want to convert (bolt). Then click the Convert Me button.
Your value gets instantly converted to all other units on the page.
3Now find the unit you want and get the conversion result next to it. It's your answer.

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Conversion settings explained

First of all, you don't have to change any settings to use the converter. It's absolutely optional.

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

Choose how you want to have your digit groups separated in long numbers:

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

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  • Significant figures:
  • Digit groups separator:
Your value (bolt):
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Metric

bolt to kilometer (km)
bolt to meter (m)
bolt to decimeter (dm)
bolt to centimeter (cm)
bolt to millimeter (mm)
bolt to micrometre (micron)
bolt to nanometer (nm)
bolt 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.

bolt to league
bolt to mile (mi)
bolt to land
bolt to furlong
bolt to bolt
bolt to chain
bolt to pole
bolt to rod (rd)
bolt to perch
bolt to yard (yd)
bolt to feet and inches (x'y")
bolt to span
bolt to hand
bolt to inch (in)
bolt to line
bolt to mil
bolt to microinch
Units: league  / mile (mi)  / land  / furlong  / bolt  / chain  / pole  / rod (rd)  / perch  / yard (yd)  / foot (ft)  / 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.
bolt to league
bolt to mile (mi)
bolt to land
bolt to skein
bolt to shackle
bolt to furlong
bolt to chain
bolt to rope
bolt to pole
bolt to goad
bolt to ell
bolt to yard (yd)
bolt to pace
bolt to cubit (cu)
bolt to foot (ft)
bolt to span (sp)
bolt to nail
bolt to shaftment
bolt to hand (hd)
bolt to palm (plm)
bolt to inch (in)
bolt to finger
bolt to digit
bolt to barleycorn
bolt to poppyseed
bolt to line
bolt to button
bolt to caliber
bolt to thou (th)
bolt to mil
Units: league  / mile (mi)  / land  / skein  /  / 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
» show »
» hide »

US Surveyors' Measure

bolt to furlong
bolt to Ramsden's (engineers') chain (ch)
bolt to Gunter's (surveyors') chain (ch)
bolt to Gurley's chain (ch)
bolt to Gunter's (surveyors') pole
bolt to Gunter's (surveyors') yard
bolt 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)
» show »
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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.
bolt to nautical league (naut.leag)
bolt to nautical mile (naut.mi)
bolt to cable length (cbl)
bolt 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.
bolt to US nautical mile
bolt 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.
bolt to Admiralty mile
bolt 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.
bolt to cuadra of Argentina
bolt to cuadra of Bolivia
bolt to cuadra of Chile
bolt to cuadra of Colombia
bolt to cuadra of Ecuador
bolt to cuadra of Nicaragua
bolt to cuadra of Paraguay
bolt to cuadra of Uruguay
bolt to vara of Argentina
bolt to vara of Brazil
bolt to vara of Chile
bolt to vara of Colombia
bolt to vara of Costa Rica
bolt to vara of Cuba
bolt to vara of Dominican Republic
bolt to vara of Ecuador
bolt to vara of El Salvador
bolt to vara of Guatemala
bolt to vara of Honduras
bolt to vara of Mexico
bolt to vara of Nicaragua
bolt to vara of Panama
bolt to vara of Paraguay
bolt to vara of Peru (peruana)
bolt to vara of Peru (española)
bolt to vara of Uruguay
bolt to vara of São Tomé and Principe
bolt 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

bolt to ri (里)
bolt to cho (町)
bolt to jo (丈)
bolt to hiro (尋)
bolt to ken (間)
bolt to shaku (尺)
bolt to sun (寸)
bolt to bu (分)
bolt to rin (厘)
bolt 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)
» show »
» hide »

Chinese units of 1930

bolt to li (市里)
bolt to yin (引)
bolt to zhang (市丈)
bolt to chi (市尺)
bolt to cun (市寸)
bolt to fen (市分)
bolt to li (釐 or 厘)
bolt to hao (毫)
bolt to si (丝)
bolt 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)
» show »
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Chinese units of 1915

bolt to li (里)
bolt to yin (引)
bolt to zhang (丈)
bolt to bu (步)
bolt to chi (尺)
bolt to cun (寸)
bolt to fen (分)
bolt to li (釐 or 厘)
bolt to hao (毫)
bolt to si (丝)
bolt 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)
» show »
» hide »

Hong Kong units

bolt to cek (尺)
bolt to tsun (寸)
bolt 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.
bolt to yot (โยชน์, league)
bolt to sen (เส้น, rope)
bolt to wa (วา, fathom)
bolt to sok (ศอก, cubit)
bolt to khuep (คืบ, span)
bolt to nio (นิ้ว, finger)
bolt 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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» hide »

Optical

bolt to dioptre (diopter)
Units: dioptre (diopter)
» show »
» hide »

Geographical (German)

bolt 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.
bolt to rack unit (U)
bolt to horizontal pitch (HP)
Units: rack unit (U)  / horizontal pitch (HP)
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Typographical (British and U.S. - ATA system)

bolt to pica
bolt to pica [PostScript]
bolt to point (pt)
bolt to point [PostScript] (pt)
bolt to pixel (px)
bolt to twip
Units: pica  / pica [PostScript]  / point (pt)  / point [PostScript] (pt)  / pixel (px)  / twip
» show »
» hide »

Typographical (Europe - Didot system)

bolt to cicero
bolt to point (pt)
Units: cicero  / point (pt)
» show »
» hide »

European footwear unit

bolt to Paris point
Units: Paris point
» show »
» hide »

Astronomical

bolt to red shift (z)
bolt to parsec (pc)
bolt to light year
bolt to astronomical unit (au)
bolt to light minute
bolt to light second
Units: red shift (z)  / parsec (pc)  / light year  / astronomical unit (au)  / light minute  / light second
» show »
» hide »

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.
bolt to light microsecond
bolt to light nanosecond
bolt to light picosecond
Units: light microsecond  / light nanosecond  / light picosecond
» show »
» hide »

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.
bolt to Planck length (L)
Units: Planck length (L)

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