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Swim Pace Calculator

Swim pace per 100 metres or yards, race distance equivalents and stroke rate from one swim.

Swim pace per 100

Pace per 100: —
Speed: —
Stroke rate: —
Enter the stroke cycles you counted while swimming. Results are estimates for general information, not medical advice.

How to use the Swim Pace Calculator

  1. Choose metres or yards for your pool.
  2. Enter the distance swum and your total time.
  3. Add your stroke count for the stroke rate.

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Frequently Asked Questions

Common questions about the free online swim pace calculator.

Time in seconds is divided by the distance swum and multiplied by 100 to give the pace per 100 metres or yards.
Per 100 is the standard swimming benchmark, so pace is easy to compare between sessions, pools and race distances.
Each race time is the pace per 100 multiplied by the race distance divided by 100, assuming you hold that pace.
Stroke cycles are divided by the swim time in minutes, giving cycles per minute, also called stroke rate.
Count one stroke cycle each time your left hand enters the water, then enter that number in the stroke field.
Yes. A yard is about 91 centimetres, so the same pace per 100 yards is slightly slower than the same pace per 100 metres.
No. Real races slow with distance, so race estimates here are a guide for general information and not a prediction.
The arithmetic is exact, but open water and race pacing vary, so a projection is an estimate.
No. This is an estimate for general information and not medical advice.

Last updated: October 10, 2026