km - Kilometer. Conversion Chart

This conversion page features historical units (ancient, medieval, etc.) that are mostly no longer in use. If you are looking for units of length that are used today, including many national units of various countries, please switch to our main length conversion page.
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Metric

We only include several basic units here for you to convert historical units to contemporary ones. A more comprehensive list of metric units is available on the main length conversion page.
kilometer to meter (m)
kilometer to centimeter (cm)
kilometer to millimeter (mm)
Units:  / meter (m)  / centimeter (cm)  / millimeter (mm)
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The American System of Measures (US Customary Units)

We only include several basic units here for you to convert historical units to contemporary ones. A more comprehensive list of U.S. units is available on the main length conversion page.
kilometer to mile (mi)
kilometer to yard (yd)
kilometer to inch (in)
Units: mile (mi)  / yard (yd)  / foot (ft)  / inch (in)
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Ancient Egypt

It might be hard to imagine, but these units dates back to 3100 BC. Egyptian people used them 5000 years ago. These units are distant ancestors of US customary units used today.
kilometer to iteru (river measure)
kilometer to knet (rod of cord)
kilometer to nbiw (pole)
kilometer to meh niswt (royal cubit)
kilometer to meh nedjes (short cubit)
kilometer to remen
kilometer to djeser, bu
kilometer to pedj-aa (large span)
kilometer to pedj-sheser (small span)
kilometer to amem (fist)
kilometer to deret (hand)
kilometer to shesep (palm)
kilometer to djeba (finger)
Units: iteru (river measure)  / knet (rod of cord)  / nbiw (pole)  / meh niswt (royal cubit)  / meh nedjes (short cubit)  / remen  / djeser, bu  / pedj-aa (large span)  / pedj-sheser (small span)  / amem (fist)  / deret (hand)  / shesep (palm)  / djeba (finger)
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Ancient Greek

The values of Greek units varied according to location and epoch. Relative proportions though were generally the same. Greek measures were in general derived from measurement system of Ancient Egypt.
kilometer to schoinos (σχοινός)
kilometer to parasanges (παρασάγγες, league)
kilometer to dolichos (δόλιχος)
kilometer to milion (μίλιον)
kilometer to hippikon (ἱππικόν)
kilometer to diaulos (δίαυλος)
kilometer to στάδιον, stadion
kilometer to stadium olympic
kilometer to stadium attic
kilometer to stadium ptolemey
kilometer to plethron (πλέθρον)
kilometer to hamma (ἅμμα)
kilometer to dekapous (δεκάπους)
kilometer to akaina (ἄκαινα)
kilometer to kalamos (κάλαμος)
kilometer to orgyia (ὄργυια, fathom)
kilometer to diploun bēma (διπλοῦν βῆμα, double pace)
kilometer to haploun bēma (ἁπλοῦν βῆμα, single pace)
kilometer to pēchys (πῆχυς, elbow)
kilometer to pygōn (πυγών)
kilometer to pygmē (πυγμή, forearm)
kilometer to pous (πούς, foot)
kilometer to spithamē (σπιθαμή, span of all fingers)
kilometer to orthodōron (ὀρθόδωρον, wrist to the tip of meddle finger)
kilometer to lichas (λιχάς)
kilometer to hemipodion (ἡμιπόδιον)
kilometer to dichas (διχάς, midfoot)
kilometer to dōron (δῶρον)
kilometer to palaiste (παλαιστή, palm)
kilometer to kondylos (κόνδυλος, two fingers)
kilometer to daktylos (δάκτυλος, finger)
Units: schoinos (σχοινός)  / parasanges (παρασάγγες, league)  / dolichos (δόλιχος)  / milion (μίλιον)  / hippikon (ἱππικόν)  / diaulos (δίαυλος)  / στάδιον, stadion  / stadium olympic  / stadium attic  / stadium ptolemey  / plethron (πλέθρον)  / hamma (ἅμμα)  / dekapous (δεκάπους)  / akaina (ἄκαινα)  / kalamos (κάλαμος)  / orgyia (ὄργυια, fathom)  / diploun bēma (διπλοῦν βῆμα, double pace)  / haploun bēma (ἁπλοῦν βῆμα, single pace)  / pēchys (πῆχυς, elbow)  / pygōn (πυγών)  / pygmē (πυγμή, forearm)  / pous (πούς, foot)  / spithamē (σπιθαμή, span of all fingers)  / orthodōron (ὀρθόδωρον, wrist to the tip of meddle finger)  / lichas (λιχάς)  / hemipodion (ἡμιπόδιον)  / dichas (διχάς, midfoot)  / dōron (δῶρον)  / palaiste (παλαιστή, palm)  / kondylos (κόνδυλος, two fingers)  / daktylos (δάκτυλος, finger)
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Ancient Roman

Roman length units were very well defined. The value of the base unit pes (foot) was discovered by John Greaves in 1639 after he made a lot of measurements in the ruins of Rome. Since then we know that the value of one pes was between 0.967 and 0.986 English feet. An accepted modern value is 296 mm. For most Roman units below we give an English equivalent in parentheses.
kilometer to schœnus (rush rope)
kilometer to leuga (league)
kilometer to mille passus (mile)
kilometer to stadium (stade, furlong)
kilometer to actus
kilometer to decempeda
kilometer to pertica (perch)
kilometer to passus (pace)
kilometer to pes sestertius
kilometer to gradus (step)
kilometer to cubitus (cubit)
kilometer to palmipes
kilometer to pes (foot)
kilometer to palmus major (palm length)
kilometer to palmus (palm width)
kilometer to uncia (inch)
kilometer to pollex (thumb)
kilometer to digitus (finger)
Units: schœnus (rush rope)  / leuga (league)  / mille passus (mile)  / stadium (stade, furlong)  / actus  / decempeda  / pertica (perch)  / passus (pace)  / pes sestertius  / gradus (step)  / cubitus (cubit)  / palmipes  / pes (foot)  / palmus major (palm length)  / palmus (palm width)  / uncia (inch)  / pollex (thumb)  / digitus (finger)
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Biblical

kilometer to cubit
kilometer to span
kilometer to handbreadth
kilometer to etzbah
Units: cubit  / span  / handbreadth  / etzbah
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Old Spanish

In various provinces of Spain diferent variations of units were used. The conversions below use Castilian system. Although most of these units are now obsolete, some can still be used today in the countries of Latin America.
kilometer to legua de por grado (league of the degree)
kilometer to legua marina (nautical)
kilometer to legua
kilometer to milla marina (nautical)
kilometer to milla
kilometer to cuerda of Valencia
kilometer to cuerda
kilometer to estadal
kilometer to braza
kilometer to paso
kilometer to vara
kilometer to codo de ribera
kilometer to codo
kilometer to pie
kilometer to palmo
kilometer to coto
kilometer to pulgada
kilometer to linea
kilometer to punto
Units: legua de por grado (league of the degree)  / legua marina (nautical)  / legua  / milla marina (nautical)  / milla  / cuerda of Valencia  / cuerda  / estadal  / braza  / paso  / vara  / codo de ribera  / codo  / pie  / palmo  / coto  / pulgada  / linea  / punto
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Old Portuguese

These units were used in Portugal, Brazil and other countries of the Portuguese Empire until the adoption of the metric system in 19th century.
kilometer to braça
kilometer to toesa
kilometer to passo geométrico
kilometer to vara
kilometer to côvado
kilometer to pé
kilometer to palmo de craveira
kilometer to polegada
kilometer to linha
kilometer to ponto
Units: braça  / toesa  / passo geométrico  / vara  / côvado  /  / palmo de craveira  / polegada  / linha  / ponto
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Old French

There were many local variations; the following are Quebec and Paris definitions
kilometer to lieue commune
kilometer to lieue marine
kilometer to lieue de post
kilometer to lieue metrique
kilometer to arpent
kilometer to perche
kilometer to toise
kilometer to pied [foot]
kilometer to pouce [inch]
kilometer to ligne
Units: lieue commune  / lieue marine  / lieue de post  / lieue metrique  / arpent  / perche  / toise  / pied [foot]  / pouce [inch]  / ligne
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Old Russian

kilometer to mile
kilometer to verst
kilometer to mezhevaya verst
kilometer to kosaya sazhen
kilometer to sazhen
kilometer to makhovaya sazhen
kilometer to arshin
kilometer to ell
kilometer to foot
kilometer to pyad
kilometer to vershok
kilometer to inch
kilometer to line
Units: mile  / verst  / mezhevaya verst  / kosaya sazhen  / sazhen  / makhovaya sazhen  / arshin  / ell  / foot  / pyad  / vershok  / inch  / line
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Old German (Prussian)

These units were used before adoption of metric system in 1872.
kilometer to meile
kilometer to ruthe
kilometer to elle
kilometer to fuss
kilometer to zoll
kilometer to linie
Units: meile  / ruthe  / elle  / fuss  / zoll  / linie
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Old Austrian

These units were used before adoption of metric system in 1871.
kilometer to meile
kilometer to ruthe
kilometer to klafner
kilometer to fuss
kilometer to zoll
kilometer to linie
kilometer to punkt
Units: meile  / ruthe  / klafner  / fuss  / zoll  / linie  / punkt
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Old Swedish

Common measurement system was introduced in Sweden by law in 1665. Since then the system was slightly altered twice: in 1735 and 1855. Sweden switched to metric system in 1889.
kilometer to nymil (new mile, used since 1889 till now)
kilometer to mil (mile)
kilometer to fjärdingsväg
kilometer to rev before 1855
kilometer to rev after 1855
kilometer to stång
kilometer to famn (fanthom)
kilometer to aln (forealrm)
kilometer to fot (foot)
kilometer to kvarter
kilometer to tvärhand (hand)
kilometer to tum (thumb or inch) before 1855
kilometer to tum (thumb or inch) after 1855
kilometer to linje (line) before 1855
kilometer to linje (line) after 1855
Units: nymil (new mile, used since 1889 till now)  / mil (mile)  / fjärdingsväg  / rev before 1855  / rev after 1855  / stång  / famn (fanthom)  / aln (forealrm)  / fot (foot)  / kvarter  / tvärhand (hand)  / tum (thumb or inch) before 1855  / tum (thumb or inch) after 1855  / linje (line) before 1855  / linje (line) after 1855

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