56 · Calculators

Speed, Distance & Time Calculator

Choose what to solve for, then enter the other two to get speed, distance or travel time.

Solve for

Use matching units: km with km/h, or miles with mph.

Result

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How to use the speed, distance & time calculator

  1. Choose speed, distance or time.
  2. Enter the other two values.
  3. Use matching units, such as km and km/h.

The triangle

Distance = speed × time, speed = distance ÷ time and time = distance ÷ speed. Times are shown as hours:minutes:seconds.

Examples

150 km at 60 km/h

2:30:00

150 miles in 2 h 30 min

60 mph

Questions

Does it include stops?

No. It assumes a constant average speed. Add time for breaks yourself.

Can I mix miles and km?

No. Convert first with the <a href="/tools/unit-converter/">unit converter</a>.