The length units in this length converter tool are the most common length units from the metric and the Imperial measurement systems. To convert all length units, please check all length conversions page.
Metric Length Units
The metric system base length unit is metre. All other metric length units are either the fractions or the multiples of metre. The most frequently used metric length units are metre, centimetre, kilometre and millimetre. The kilometre is the longest metric length unit.
Here is the length conversion factors list to find out how long is a metre compared to other common length units:
1 Metre =
- 100 centimetres
- 3.280839895 feet
- 39.3700787 inches
- 0.001 kilometre
- 1000 millimetres
- 0.0006213711922373339 mile
- 1.0936133 yards
For length conversion from metre to other length units, multiply the metre value with the conversion factors.
Imperial and United States Customary Length Units
The basic unit of length in the Imperial and US Customary systems is the yard, defined as exactly 0.9144 metre by international treaty in 1959. The league is the longest imperial length unit.
Here is the length conversion factors list to find out how long is a mile compared to other common length units:
1 Mile =
- 160934.4 centimetres
- 5280 feet
- 63360 inches
- 1.609344 kilometres
- 1609.344 metres
- 1609344 millimetres
- 1760 yards
For length conversion from mile to other length units, multiply the mile value with the conversion factors.
Here is a quick reference list of conversion factors for the most frequently used length units in the length converter and the links to the popular length converters and the tables for more information.