Length Converter
Convert between metric and imperial length units — kilometers, meters, centimeters, miles, feet, inches and more. Type a value to see the result instantly, together with a table of every other unit.
This tool runs entirely in your browser.
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How to use the Length Converter
- 1Enter a value.
- 2Choose the unit to convert from and to (use ⇄ to swap).
- 3Read the result, or scan the table for every unit at once.
What is the Length Converter?
Imperial units are defined exactly in metric: 1 inch = 2.54 cm, 1 foot = 0.3048 m and 1 mile = 1.609344 km.
Results show up to 10 significant digits; very large or small values switch to scientific notation.
Frequently asked questions
How many centimeters are in an inch?
Exactly 2.54 cm. One foot is 30.48 cm.
Is the Length Converter free and private?
Yes. The Length Converter is free, needs no account, and runs entirely in your browser. What you type is never sent to a server or stored.
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