Speed Calculator (Distance ÷ Time)

Find speed from distance and time.

Last updated: 25 Aug 2026

Quick answer

Speed is distance divided by time: speed = distance ÷ time. For example, 150 km in 2 hours is 75 km/h. Enter distance and time in matching units above.

Distance (km)

Time (hours)

Find speed = distance ÷ time. Enter distance and time in matching units (e.g. km and hours give km/h).

How to calculate speed

1 Enter the distance.
2 Enter the time.
3 We compute speed = distance ÷ time.

Frequently asked questions

What is the speed formula?

Speed = distance ÷ time.

How do I find distance or time?

Rearrange: distance = speed × time; time = distance ÷ speed.

What is average speed?

Total distance divided by total time for the whole journey.

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