How to use the speed calculator
- Distance (km): Total distance in kilometers.
- Elapsed time (hours): Total time including stops if you want trip-average speed.
- Select Calculate to see the result. Change any input and calculate again to compare.
Worked example
150 km traveled in 2 hours is an average of 75 km/h.
Formula and assumptions
Speed = distance ÷ time.
This is average speed, not a recommended driving speed or a route estimate.
Common questions
Why might my result differ from another estimate?
This is average speed, not a recommended driving speed or a route estimate. Keep the same inputs and rounding when comparing tools.
Are my entries saved?
No. Calculations run on your device. Reloading or closing this page may clear your entries.