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 visit all length conversions page.
Metric Length Units
The metric system base length unit is meter. All other metric length units are either the fractions or the multiples of meter. The most frequently used metric length units are meter, centimeter, kilometer and millimeter. The kilometer is the longest metric length unit.
Here is the length conversion factors list to find out how long is a meter compared to other common length units:
1 Meter =
- 100 centimeters
- 3.280839895 feet
- 39.3700787 inches
- 0.001 kilometer
- 1000 millimeters
- 0.0006213711922373339 mile
- 1.0936133 yards
For length conversion from meter to other length units, multiply the meter value by 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 meter 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 centimeters
- 5280 feet
- 63360 inches
- 1.609344 kilometers
- 1609.344 meters
- 1609344 millimeters
- 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.