Length Converter
Convert between millimeters, centimeters, meters, kilometers, inches, feet, yards, miles and more.
Value
From unit
Millimeters (mm)
1000
Centimeters (cm)
100
Meters (m)
1
Kilometers (km)
0.001
Inches (in)
39.370079
Feet (ft)
3.2808399
Yards (yd)
1.0936133
Miles (mi)
0.00062137119
Nautical Miles
0.0005399568
Metric vs. imperial
The metric system uses powers of 10. Imperial uses arbitrary factors (12 inches per foot, 5,280 feet per mile).
- 1 inch = 2.54 cm (exact)
- 1 foot = 30.48 cm
- 1 mile = 1.609 km
- 1 nautical mile = 1.852 km
What this tool does
Converts a length or distance between 9 units including metric (mm, cm, m, km) and imperial (inch, foot, yard, mile) plus nautical miles. Click any result tile to use that value as your new input.
Input fields explained
Value
The number you want to convert. Accepts decimals: e.g. 1.5 meters.
From unit
The unit of your input value. All conversions work through meters as the base unit internally.
Formula / How it works
All units convert through meters as base unit. Click any tile to use that value as new input.