About the Running Speed Calculator
Running speed in km/h or mph from distance and time, with the equivalent pace per km and per mile.
Also known as: running speed, how fast am i running, kmh from pace.
How to use this calculator
- Enter calculate, distance unit and the other fields.
- 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.
Formula
Pace = time ÷ distance · Speed = distance ÷ time
Worked example
Using the values pre-filled in the calculator above:
- Calculate: Pace & speed
- Distance unit: Kilometres
- Distance = 5
- Time (h:mm:ss): 00:25:00
the calculator returns:
- Pace per km: 5:00
- Speed: 12 km/h
- Pace per other unit: 8:02.8
- Total time: 0:25:00