Unit Converters
Length Converter
Convert between mm, cm, m, km, inches, feet, and miles.
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About the Length Converter
Convert length and distance units free and instantly — including the most-searched conversions like cm to inches, inches to cm, feet to meters, meters to feet, miles to km, and km to miles. Enter a value, pick a unit, and every other unit updates at once. Nothing to install — just fast, accurate length conversion in your browser.
How to use the Length Converter
- 01Enter a value.
- 02Pick the unit you're converting from.
- 03Read it in every other unit and copy.
Frequently asked questions
How many cm in an inch?
1 inch = 2.54 cm.
How many km in a mile?
1 mile ≈ 1.609 km.
How many feet are in a meter?
1 meter ≈ 3.281 feet, so a quick estimate is meters × 3.3. Exactly: 1 ft = 0.3048 m.