Length converter
Pick any two length units and type a value. The converter covers metric units (millimeter to kilometer), imperial and US units (inch, foot, yard, mile) and the nautical mile.
km
mi
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1 meter in other length units
| Unit | Value |
|---|---|
| Millimeters (mm) | 1,000 mm |
| Centimeters (cm) | 100 cm |
| Kilometers (km) | 0.001 km |
| Inches (in) | 39.37008 in |
| Feet (ft) | 3.28084 ft |
| Yards (yd) | 1.093613 yd |
| Miles (mi) | 0.0006213712 mi |
| Nautical Miles (nmi) | 0.0005399568 nmi |
About length units
The meter is the SI base unit of length. Since 1959 the inch, foot, yard and mile have been defined exactly in meters (1 inch = 2.54 cm), so conversions between metric and imperial lengths are exact.
Where length conversions are used
Length conversions come up when comparing running distances, reading height and clothing sizes, buying TVs and furniture, following DIY plans, and driving or flying in countries that use the other system.
Conversion factors use exact international definitions where they exist (for example 1 inch = 2.54 cm and 1 lb = 0.45359237 kg). Results are rounded for display only.