When to use this calculator
Calculate average swim time per 100 metres. Includes rests if they are included in the elapsed time.
Explore the pace, splits & race time calculators for other questions in this topic. For a related calculation, use the Track Lap Split Calculator: Find target time per lap from goal duration and race distance.
PUTTING IT INTO PRACTICE
Swimming Pace: a worked example
The values below are an illustrative example, not a recommendation. Replace them with measurements or assumptions that match your question.
| Input | Example value |
|---|---|
| Elapsed time (minutes) | 20 |
| Distance (m) | 1,000 |
| Result | 2 min/100m |
- Check the input labels and enter the example values above.
- Apply the relationship: Pace = minutes × 100 ÷ distance in metres.
- The result is 2 min/100m, rounded for display.
How to interpret your result
Includes rests if they are included in the elapsed time.
Use matching distance units and decimal minutes. A constant-pace plan does not forecast how terrain, conditions or fatigue will affect a race. A split is a time over a chosen reference distance.
Frequently asked questions
How do I read a result of 5.5 minutes per kilometre?
It means 5 minutes 30 seconds per kilometre, because 0.5 of a minute is 30 seconds.
How do I use the swimming pace calculator?
Enter elapsed time (minutes), distance (m). The result updates automatically. Use the units shown beside each input; the example values illustrate the method.
Which formula does this calculator use?
Pace = minutes × 100 ÷ distance in metres.
What should I check before using the result?
Includes rests if they are included in the elapsed time.
How are results rounded?
Scalar numbers display up to six decimal places, with scientific notation for very large or small values. Text, fraction, date and schedule outputs use the format described on the tool. Intermediate calculations use JavaScript floating-point arithmetic. Keep sensible precision for your measurements.
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