Running Pace Calculator
Convert pace, speed and finish time for any run distance.
The Running Pace Calculator converts between the three numbers every runner juggles: pace per kilometer, speed, and finish time for a given distance. Enter any two of the relationship and the tool fills in the rest — 5:30 min/km, for example, is 10.9 km/h and covers 10 km in 55 minutes.
Runners think in pace while watches and treadmills show speed, and races ask for predicted times — three languages for the same effort. This tool translates between them instantly and also gives imperial equivalents (min/mile and mph) for the mile-based world.
Pick the input mode that matches what you know, type the distance, and every other figure updates. Use it to set realistic goal paces for race day or to check whether a training run landed where you planned. Everything runs locally in your browser.
Pace per km
5:30 min/km
≈ 205:03 /mile
Speed
10.9 km/h
≈ 6.8 mph
Time for distance
55:00
hh:mm-ish (min:sec)
Pick an input mode (pace, speed or total time) and the distance — the other values update. Pace is minutes per kilometer.
How to use the Running Pace Calculator
- Choose what you know: pace per km, speed, or total time.
- Enter the run distance in kilometers.
- Fill in the pace, speed or time fields for your chosen mode.
- Read the derived pace, speed and finish time.
- Check the per-mile equivalents below the headline figures.
Frequently asked questions
How do I convert pace to speed?
Speed (km/h) = 60 ÷ pace in minutes. A 5-minute-per-km pace is 12 km/h; a 6-minute pace is 10 km/h. The calculator does this conversion both ways instantly.
What is a good running pace for a beginner?
There is no universal number — comfortable conversational pace varies hugely. A common benchmark is a 10 km in about 60 minutes (6:00 min/km) for reasonably fit beginners, but the right pace for you is the one you can sustain with good form.
Does elevation change my pace?
Significantly — hills cost roughly 10–15 seconds per km per 100 m of climbing. For race predictions on hilly courses, adjust expectations; flat-course predictions assume steady terrain.
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