Convert speed between miles per hour, kilometers per hour, meters per second and knots.
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 60 mph to km/h or 10 m/s to mph.
Convert speed between miles per hour, kilometers per hour, meters per second and knots. 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.
60 miles per hour × 1.609344 = 96.56064 kilometers per hour. The calculator can also show meters per second and knots for the same speed.
Speed versus distance: speed is distance per unit time. This converter does not compute how far you will travel unless you also know a duration; use a speed–distance–time calculator for that.
Convert speed between miles per hour, kilometers per hour, meters per second and knots.
Values are converted through meters per second 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.