Speed Calculator

Calculate average speed from distance and time and convert to mph or m/s.

Average speed

75 km/h

46.60284 mph

Meters per second20.83333 m/s

Distance150 km

Elapsed time2 h

About the Speed Calculator

Calculate average speed from distance and time and convert to mph or m/s.

It runs entirely in your browser — nothing you type is sent to a server — and the result updates as you edit the inputs. Estimates are for educational and informational purposes only; see ourdisclaimer.

Common searches

distance over time
velocity
mph

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