Pace Calculator — min/km and Speed
Calculate running pace (mm:ss per km) and speed (km/h) from distance and time. Example: 5 km in 25 minutes → 5:00 /km and 12 km/h. Browser-only conversion process for training checks.
How it works
Enter kilometers and total minutes. Pace is formatted as mm:ss /km.
Formula
min_per_km = minutes/dist; speed = dist/(minutes/60). Notes:
- Does not model elevation or splits.
- Seconds are rounded to nearest second.
- Pair with one-rep-max / heart-rate tools.
Example
Example: 5 km in 25 min → 5:00 /km, 12 km/h.
When to use it
- Run workout planning.
- Homework pace math.
- Compare with HR zones educationally.
Frequently asked questions
Sample?
5 km / 25 min → 5:00 /km.
Miles?
Convert to km first.
Seconds input?
Enter decimal minutes if needed.
Advice?
Educational only.
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Questions or feedback
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