About the Length Converter
Convert any length or distance between metric and imperial units: millimetres, centimetres, metres and kilometres; inches, feet, yards and miles; plus nautical miles. Enter a value to see it in every unit at once.
How to use the Length Converter
- Enter a value.
- Choose the unit you are converting from and to.
- Read the result or check the full table.
Frequently asked questions
How many centimetres are in an inch?
Exactly 2.54 centimetres. To convert inches to cm, multiply by 2.54; to convert cm to inches, divide by 2.54.
How do I convert feet and inches to metres?
Convert everything to inches (feet × 12 + inches), then multiply by 0.0254. For example, 5 ft 10 in = 70 in = 1.778 m.
How many kilometres are in a mile?
One mile is 1.609344 kilometres, and one kilometre is about 0.621 miles.