Convert length between inches, feet, yards, miles, millimeters, centimeters, meters and kilometers.
Running and walking pace, speed relationships and common everyday unit-conversion formulas.
Enter the requested values above and select Calculate. The result updates immediately on the page, so you can change one value and compare different scenarios without leaving the calculator.
Convert 10 miles to kilometers, 6 feet to centimeters, or any supported length pair.
Convert length between inches, feet, yards, miles, millimeters, centimeters, meters and kilometers. It is designed for quick estimates and everyday problem solving. When a calculation affects a contract, tax filing, medical decision or other high-stakes situation, verify the result with the appropriate professional or authoritative source.
One international mile is exactly 1,609.344 meters, or 1.609344 kilometers. Select miles as the starting unit and kilometers as the target unit, then try changing the input to compare distances.
Watch the unit label: feet, inches, and yards are lengths; square feet and acres are areas. Convert square or cubic units with their own converter rather than the length converter.
Convert length between inches, feet, yards, miles, millimeters, centimeters, meters and kilometers.
Values are converted through meters as a common base unit.
Yes. ERICH Calculators is free to use and no account is required.
See how formulas, sources and limitations are handled across ERICH Calculators.