AllMyCalculators

Speed, Distance and Time Calculator

Enter any two of speed, distance and time to get the third.

Answer
—

Share sends a link that reopens these numbers. Copy details pastes the full breakdown as a list.

Speed —
Distance —
Time —

The formula

speed = distance ÷ time distance = speed × time time = distance ÷ speed

The speed here is the average over the whole trip, so stops and slow stretches are already included in it.

What to watch out for

Pick what you want to find and fill in the other two. Units can be mixed, because every value is converted first.

Frequently Asked Questions

How long does 150 km take at 60 km/h?

2 h 30 min.

What average speed covers 100 miles in 2 hours?

50 mph.