Length Converter
Convert between centimeters, inches, feet, meters, kilometers, miles and more — with a full table of every unit.
How to use
- 1Type a value and pick the unit you have.
- 2Pick the unit you want; the result and a table of all units update instantly.
How it's calculated
Every unit is converted through meters using the exact international definitions (1 inch = 2.54 cm, 1 foot = 0.3048 m, 1 mile = 1,609.344 m).
Frequently asked questions
How many centimeters are in an inch?
Exactly 2.54 centimeters. The inch has been defined this way by international agreement since 1959.
How many feet are in a meter?
About 3.28084 feet. One foot is exactly 0.3048 meters.
Is a nautical mile the same as a mile?
No. A nautical mile is exactly 1,852 meters, about 1.15 statute miles; it is used at sea and in aviation.