Length Converter
Convert length and distance between millimetres, centimetres, metres, kilometres, inches, feet, yards, miles and nautical miles.
How to use the length converter
Enter a value, choose the unit you are converting from, then choose the unit you want. The answer updates immediately. You can also edit the result box to convert in the opposite direction, or use Swap units.
Common conversions
- 1 foot = 0.3048 metres
- 1 mile = 1.609344 kilometres
- 1 inch = 2.54 centimetres
Results are calculated in your browser. For safety-critical, engineering, financial or regulated work, independently verify the result and required precision.