Nail. 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 nail (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 (nail). 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 (nail):
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Metric

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

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

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

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

Chinese units of 1930

nail to li (市里)
nail to yin (引)
nail to zhang (市丈)
nail to chi (市尺)
nail to cun (市寸)
nail to fen (市分)
nail to li (釐 or 厘)
nail to hao (毫)
nail to si (丝)
nail 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

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

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

Optical

nail to dioptre (diopter)
Units: dioptre (diopter)
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» hide »

Geographical (German)

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

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

Typographical (Europe - Didot system)

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

European footwear unit

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

Astronomical

nail to red shift (z)
nail to parsec (pc)
nail to light year
nail to astronomical unit (au)
nail to light minute
nail 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.
nail to light microsecond
nail to light nanosecond
nail 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.
nail to Planck length (L)
Units: Planck length (L)

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