Free online tool

Length Converter

Convert millimeters, centimeters, meters, kilometers, inches, feet, yards and miles.

Enter your values

Result

Enter the values and choose Calculate.

How to use this tool

Convert common metric and imperial length units with precise standard factors.

  1. Enter your values
  2. Calculate
  3. Copy · Share

Formula and method

Converted value = input value × source factor ÷ target factor

Worked example

1 mile equals exactly 1.609344 kilometers.

Frequently asked questions

Is this tool free and private?

Yes. It is free to use without an account, and the calculation runs in your browser.

Length Converter

Convert millimeters, centimeters, meters, kilometers, inches, feet, yards and miles.

Content basis and verification

· Calculations run in your browser. Check the formula and assumptions on this page, and confirm important financial, tax, medical or legal decisions against current official guidance.