pc - Parsec. 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 parsec (Astronomical). 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 (parsec, pc):
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Metric

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

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

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

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

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

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

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

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

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

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

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

parsec to Paris point
Units: Paris point
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Astronomical

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

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