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Athletic performance

Pace Calculator

Pace per kilometre and per mile, plus speed.

Enter your distance and time to see pace and speed in both unit systems. Distance can be entered in kilometres, miles or metres.

Your details

Typical range: 0.01 – 1,000

Typical range: 0 – 500

Typical range: 0 – 59.999

Typical range: 0 – 59.999

The values you enter are calculated in your browser only — nothing is stored or transmitted.

Fill in your details and press calculate — your result will appear here.

Formula and method

Pace is time divided by distance and speed is distance divided by time. Unit conversions use the international definitions.

Formula used

pace = time / distance; speed = distance / time

Assumptions and limits

  • This gives average pace and does not reflect changes in gradient or speed along the route.

Scientific sources

  1. BIPM. The International System of Units (SI). 9th ed., 2019.