Length Converter
Convert between length and distance units — millimeters, centimeters, meters, kilometers, inches, feet, yards and miles — instantly, both ways.
Convert any length, both ways
Pick a value, a “from” unit and a “to” unit, and the result updates instantly. The converter covers the metric scale — millimeters, centimeters, meters, kilometers — and the US/imperial units — inches, feet, yards and miles. The key conversions are exact: 1 inch = 2.54 cm, 1 foot = 0.3048 m, and 1 mile = 1.609344 km.
Common conversions
A meter is about 3.28 feet, a mile is about 1.61 km, and 10 inches is 25.4 cm. Whatever you enter converts in either direction. Need other units? Try the weight converter or the temperature converter.
Frequently asked questions
How many feet are in a meter?
One meter is about 3.281 feet (exactly 1 ÷ 0.3048). So 5 meters is roughly 16.4 feet. Pick meters as the “from” unit and feet as the “to” unit above and enter any value to convert instantly.
How do I convert inches to centimeters?
Multiply inches by 2.54 to get centimeters, since one inch is defined as exactly 2.54 cm. For example, 10 inches is 25.4 cm. Select inches and centimeters above and the calculator handles it both ways.
How many kilometers are in a mile?
One mile is about 1.609 kilometers, so to go from miles to kilometers you multiply by 1.609 (and divide to go back). A 5-mile run is about 8.05 km. The converter does this for any value.