About the Speed Calculator
Speed from distance and time — solve for speed, distance or time in any consistent units.
Also known as: speed formula, how fast, speed from distance, average speed formula.
How to use this calculator
- Enter solve for.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Speed formula
speed = distance ÷ time
Worked example
Using the values pre-filled in the calculator above:
- Solve for: Speed
- Distance = 120 km
- Time = 2 hours
the calculator returns:
- Speed: 60 km/h
- Distance: 120 km
- Time: 2 hours