Line. 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 line (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 (line). 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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  1. Enter the value of your unit .
  2. Touch "Convert Me" button.
  3. Get instant resuls.
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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 (line):
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Metric

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

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

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

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

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

Chinese units of 1915

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

Hong Kong units

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

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

Geographical (German)

line to geographical mile
Units: geographical mile
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» hide »

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

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

Typographical (Europe - Didot system)

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

European footwear unit

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

Astronomical

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

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