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Length Unit Converter
Convert between metric and imperial units of length. Millimeters, centimeters, meters, kilometers, inches, feet, yards, miles.
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Quick conversions
Length Unit Converter — Metric & Imperial
Convert between any pair of length units instantly. Edit either field — the other updates automatically. Includes a quick conversion table for all units.
Metric units
- Millimeter (mm): 1/1000 of a meter
- Centimeter (cm): 1/100 of a meter
- Meter (m): SI base unit
- Kilometer (km): 1,000 meters
Imperial units
- Inch (in): 2.54 cm
- Foot (ft): 12 inches = 30.48 cm
- Yard (yd): 3 feet = 91.44 cm
- Mile (mi): 1,760 yards = 1.609 km
- Nautical mile: 1.852 km — used in maritime and aviation
Common conversions
- 1 meter = 3.28084 feet
- 1 mile = 1.609344 kilometers
- 1 inch = 2.54 centimeters
- 1 foot = 0.3048 meters