5 km in 25:00
- Speed
- 12 km/h
- Total time
- 25:00
- Distance
- 5 km
Pace Calculator
Use this free pace calculator to convert distance and time into pace per kilometer or mile and speed per hour.
Research-based formula Estimate limits shown Examples included Private history
Formula steps
- Convert the entered time to total seconds.
- Divide total seconds by distance.
- Format the result as minutes and seconds per distance unit.
How to use the pace calculator
- Enter the requested measurements, dates, lab values, or workout details.
- Check that the units and formula assumptions match what the tool is asking for.
- Press the calculate button to see the answer, supporting metrics, and formula steps.
- Read the estimate with the health disclaimer in mind, then copy the result if you need it for notes.
Common uses
Find pace per kilometer after a run or walk.
Find pace per mile for race planning.
Convert a workout time into speed per hour.
Compare training sessions with consistent distance units.
Examples
5:00 per km
5:33 per km
10:00 per mile
Frequently asked questions
Quick answers about formulas, inputs, estimate limits, professional guidance, examples, and private in-browser history.
What can I use the Pace Calculator for?
Use it for quick educational estimates, planning, comparison, and trend checks. Health and fitness results should be interpreted with context, not as a diagnosis.
How does the Pace Calculator calculate the result?
Pace is total time divided by distance. Speed is distance divided by total time in hours.
Is this medical advice?
This is a fitness planning calculator, not medical advice. Choose training intensity that fits your health and ability.
Are my health inputs private?
Yes. The calculator runs in your browser tab. Recent answers stay only on the page while you use it and are not sent to a server.