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Length & Distance Converter
Convert between metric, imperial, astronomical, surveying, and historical distance units.
Popular Length & Distance Conversions
Complete Unit Reference & Conversion Ratios
Length & Distance Reference & Conversion Factors
Base reference unit: Meters (m)
| Unit Name | Symbol | Classification | Value in Meters | Description |
|---|---|---|---|---|
| Kilometers | km | ๐น Metric (SI) | 1 km = 1,000 m | 1 kilometer = 1,000 meters |
| Hectometers | hm | ๐น Metric (SI) | 1 hm = 100 m | 1 hectometer = 100 meters |
| Decameters | dam | ๐น Metric (SI) | 1 dam = 10 m | 1 decameter = 10 meters |
| Meters | m | ๐น Metric (SI) | 1 m = 1 m | SI base unit of length |
| Decimeters | dm | ๐น Metric (SI) | 1 dm = 0.1 m | 1 decimeter = 0.1 meters |
| Centimeters | cm | ๐น Metric (SI) | 1 cm = 0.01 m | 1 centimeter = 0.01 meters |
| Millimeters | mm | ๐น Metric (SI) | 1 mm = 0.001 m | 1 millimeter = 0.001 meters |
| Micrometers (Microns) | ยตm | ๐น Metric (SI) | 1 ยตm = 0.000001 m | 1 micron = 10โปโถ meters |
| Nanometers | nm | ๐น Metric (SI) | 1 nm = 1.0000e-9 m | 1 nanometer = 10โปโน meters |
| Picometers | pm | ๐น Metric (SI) | 1 pm = 1.0000e-12 m | 1 picometer = 10โปยนยฒ meters |
| Femtometers | fm | ๐น Metric (SI) | 1 fm = 1.0000e-15 m | 1 femtometer = 10โปยนโต meters |
| Angstroms | ร | ๐น Metric (SI) | 1 ร = 1.0000e-10 m | 1 angstrom = 10โปยนโฐ meters (0.1 nm) |
| Nautical Miles | nmi | ๐๏ธ Imperial & US Customary | 1 nmi = 1,852 m | 1 international nautical mile = 1,852 meters |
| Miles | mi | ๐๏ธ Imperial & US Customary | 1 mi = 1,609.344 m | 1 statute mile = 5,280 ft = 1,609.344 m |
| Yards | yd | ๐๏ธ Imperial & US Customary | 1 yd = 0.9144 m | 1 yard = 3 feet = 0.9144 m |
| Feet | ft | ๐๏ธ Imperial & US Customary | 1 ft = 0.3048 m | 1 foot = 12 inches = 0.3048 m |
| Inches | in | ๐๏ธ Imperial & US Customary | 1 in = 0.0254 m | 1 inch = 2.54 cm = 0.0254 m |
| Fathoms | ftm | ๐๏ธ Imperial & US Customary | 1 ftm = 1.8288 m | 1 fathom = 6 feet = 2 yards = 1.8288 m |
| Mils (Thou) | mil | ๐๏ธ Imperial & US Customary | 1 mil = 0.0000254 m | 1 mil = 0.001 inch = 25.4 ยตm |
| Leagues | lea | ๐ Land & Surveying | 1 lea = 4,828.032 m | 1 land league = 3 statute miles = 4,828.032 m |
| Furlongs | fur | ๐ Land & Surveying | 1 fur = 201.168 m | 1 furlong = 660 feet = 1/8 mile = 201.168 m |
| Chains (Gunterโs) | ch | ๐ Land & Surveying | 1 ch = 20.1168 m | 1 surveyorโs chain = 66 feet = 4 rods = 100 links |
| Rods (Perches/Poles) | rd | ๐ Land & Surveying | 1 rd = 5.0292 m | 1 rod = 16.5 feet = 5.5 yards = 5.0292 m |
| Links | li | ๐ Land & Surveying | 1 li = 0.201168 m | 1 surveyorโs link = 7.92 inches = 0.201168 m |
| Megaparsecs | Mpc | ๐ Astronomical Distances | 1 Mpc = 3.0857e+22 m | 1 megaparsec = 1,000,000 parsecs |
| Kiloparsecs | kpc | ๐ Astronomical Distances | 1 kpc = 3.0857e+19 m | 1 kiloparsec = 1,000 parsecs |
| Parsecs | pc | ๐ Astronomical Distances | 1 pc = 3.0857e+16 m | 1 parsec = ~3.26156 light-years |
| Light Years | ly | ๐ Astronomical Distances | 1 ly = 9.4607e+15 m | Distance light travels in vacuum in 1 Julian year |
| Astronomical Units | AU | ๐ Astronomical Distances | 1 AU = 149,597,870,700 m | Mean distance from Earth to Sun = 149,597,870,700 m |
| Cubits | cubit | ๐บ Traditional & Historical | 1 cubit = 0.4572 m | Standard historical cubit = 18 inches = 0.4572 m |
| Varas | vara | ๐บ Traditional & Historical | 1 vara = 0.835905 m | Traditional Spanish / Latin American vara (~33 inches) |
| Skeins | skein | ๐บ Traditional & Historical | 1 skein = 109.728 m | Traditional textile skein = 120 yards = 109.728 m |
| Spans | span | ๐บ Traditional & Historical | 1 span = 0.2286 m | Traditional span = 9 inches = 0.2286 m |
| Hands | hand | ๐บ Traditional & Historical | 1 hand = 0.1016 m | Standard equestrian hand = 4 inches = 0.1016 m |
| Palms | palm | ๐บ Traditional & Historical | 1 palm = 0.0762 m | Traditional palm width = 3 inches = 0.0762 m |
| Fingers | finger | ๐บ Traditional & Historical | 1 finger = 0.022225 m | Traditional finger width = 7/8 inch = 0.022225 m |
| Barleycorns | barleycorn | ๐บ Traditional & Historical | 1 barleycorn = 0.00846667 m | Traditional barleycorn = 1/3 inch โ 8.47 mm |
| Picas (DTP) | pica | โ๏ธ Typography & Printing | 1 pica = 0.00423333 m | 1 pica = 12 points = 1/6 inch โ 4.233 mm |
| Points (DTP) | pt | โ๏ธ Typography & Printing | 1 pt = 0.00035278 m | 1 desktop publishing point = 1/72 inch โ 0.3528 mm |