Speed Distance Time Calculator
Calculate average speed when you know the total distance and elapsed time.
Estimated result—
How it works
Average speed = distance ÷ time.
Example
180 km covered in 2.25 hours gives an average speed of 80 km/h.
Useful things to know
- Convert minutes to decimal hours before entering them; 30 minutes = 0.5 hours.
- Average speed includes slow sections if the time entered includes them.
- Do not use average-speed calculations to choose an unsafe road speed.
About this estimate
HandyNumbers calculations run in your browser. Results are general estimates and can differ from real-world outcomes because of fees, taxes, tariffs, product specifications, rounding and individual circumstances.