How do I calculate running pace per km?

Divide your finish time in minutes by the distance in kilometres. For example, a 50-minute 10K is 50 ÷ 10 = 5:00 per km. Enter distance and time in the pace calculator and it works out pace, finish time, or distance from any two values.

How do I convert mile pace to km pace?

Use the pace converter to switch between min/mile and min/km instantly — it also shows speed in km/h and mph. For a quick estimate, multiply your per-mile pace by 0.621371 to get an approximate per-km equivalent.

What is the formula for running pace?

Pace = time ÷ distance. If you know your target pace and race distance, multiply pace by distance to estimate finish time. If you know time and distance, divide time by distance to get average pace.

How do I plan even splits for a race?

Enter your race distance and target finish time or pace. The calculator shows kilometre splits — cumulative times at each km — so you can check whether you are on track during the race.

HM Pace Calculator — Finish & km Splits

Free half marathon pace calculator for 21.1 km. Enter target pace or finish time to plan even half marathon pacing with per-kilometre splits.

Use the full Running Pace Calculator - Distance, Pace & Time to enter custom values.

Time (hh:mm:ss)

Pace (mins/km)

Distance is fixed to the standard half marathon distance (21.0975 km). Enter your target finish time or desired pace to calculate the other value and see kilometre splits.

Popular goal times: 1:45 half marathon, 2 hour half marathon, and 2:30 half marathon.

Planning even half marathon pacing helps you avoid going out too fast in the first 5–10 km. Use the pace converter if your training plan lists mile splits but the course is marked in kilometres.

To estimate whether your goal is realistic, try the half marathon race time predictor with a recent 10K or 5K result.

Frequently asked questions

How do I calculate running pace per km?: Divide your finish time in minutes by the distance in kilometres. For example, a 50-minute 10K is 50 ÷ 10 = 5:00 per km. Enter distance and time in the pace calculator and it works out pace, finish time, or distance from any two values.
How do I convert mile pace to km pace?: Use the pace converter to switch between min/mile and min/km instantly — it also shows speed in km/h and mph. For a quick estimate, multiply your per-mile pace by 0.621371 to get an approximate per-km equivalent.
What is the formula for running pace?: Pace = time ÷ distance. If you know your target pace and race distance, multiply pace by distance to estimate finish time. If you know time and distance, divide time by distance to get average pace.
How do I plan even splits for a race?: Enter your race distance and target finish time or pace. The calculator shows kilometre splits — cumulative times at each km — so you can check whether you are on track during the race.

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Pace Converter — min/mile, min/km & km/h

Free pace converter for runners. Convert min/km to min/mile, mile pace to km pace, and running speed in km/h or mph for treadmill and track workouts.

Race Predictor - Estimate Finish Time

Free marathon time calculator and race predictor. Estimate 5K, 10K, half marathon, and marathon finish times from a recent race using Riegel's formula.

Distance Converter - Kilometres & Miles

Convert running distances between kilometres and miles. Quickly switch 5K, 10K, half marathon, and marathon distances between metric and imperial.