Length Converter
Convert between millimeters, centimeters, meters, kilometers, inches, feet, yards and miles. Free, fast and easy to use.
All units
| Millimeter | 1,000 mm |
|---|---|
| Centimeter | 100 cm |
| Decimeter | 10 dm |
| Meter | 1 m |
| Kilometer | 0.001 km |
| Inch | 39.370079 in |
| Foot | 3.2808399 ft |
| Yard | 1.0936133 yd |
| Mile | 0.00062137119 mi |
| Nautical mile | 0.0005399568 NM |
How it works
Choose the units you want to convert between and type a value in either field – the other updates instantly, and the list shows the value in all length units at once. Metric units differ by powers of ten, while imperial units are defined exactly in meters: one inch is 2.54 cm, one foot 30.48 cm and one mile 1,609.344 m.
Worked examples
- 1 mi = 1.609344 km
- 180 cm = 5.9055118 ft
- 12 in = 30.48 cm
Calculations run locally in your browser. Results are for information only — for engineering, electrical or financial decisions, verify the assumptions and applicable standards.
Frequently asked questions
How many centimeters are in a meter?
100 centimeters, or 1,000 millimeters. A kilometer has 1,000 meters.
How many feet are in a mile?
One mile is 5,280 feet, 1,760 yards or exactly 1,609.344 meters.