Speed, Distance & Time Calculator
Solve for speed, distance or time — enter any two and get the third.
Speed50 (dist/time)
How to use
Choose what to solve for, then enter the other two values.
How it works
Speed = distance ÷ time, distance = speed × time, time = distance ÷ speed.
Frequently asked questions
What units?
Use consistent units, e.g. km and hours.
Is it free?
Yes.