Speed Distance Time Calculator

Speed Distance Time Calculator

Calculate speed, distance, or travel time. Enter any two values to find the third — perfect for road trips, running, cycling, and physics problems.

Speed Distance Time Formula

The three variables are linked by one simple formula: Speed = Distance ÷ Time. Rearranged:

Quick Reference

Speed100 km distance100 mile distance
30 mph / 48 km/h2h 5m3h 20m
60 mph / 97 km/h1h 2m1h 40m
70 mph / 113 km/h53m1h 26m
100 mph / 161 km/h37m1h