Resources · Pool Distance
How Many Laps Is 500 Yards?
Pool sizes, lengths vs. laps, and how to convert any workout distance into a number of lengths.
In short: Divide your workout distance by your pool length to get the number of lengths — 500 yards in a 25-yard pool is 20 lengths.
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Three common pool sizes.
Swim Workout Club uses length to mean one end-to-end trip — since "lap" gets used inconsistently (sometimes one length, sometimes there and back).
Illustration coming — Top-down diagrams of a 25-yard, 25-meter, and 50-meter pool
Reference
Lengths for a 25-yard or 25-meter pool.
| Distance | 25y pool | 25m pool | 50m pool |
|---|---|---|---|
| 100 | 4 lengths | 4 lengths | 2 lengths |
| 200 | 8 lengths | 8 lengths | 4 lengths |
| 500 | 20 lengths | 20 lengths | 10 lengths |
| 1,000 | 40 lengths | 40 lengths | 20 lengths |
| 1,650 / 1,500 | 66 lengths | 66 lengths | 33 lengths |
Your turn
Distance calculator.
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Remember thisWorkout distance ÷ pool length = number of lengths. Just make sure your units match — yards with yards, meters with meters.
Pick your pool once — the generator handles the rest.
Set your pool length and every distance in the workout is built for it.
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