Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Swimming
Swimming Stroke Efficiency Calculator
Calculate your SWOLF score by adding stroke count and lap time for a 25m or 25-yard length. Use it to track swimming efficiency and find the best balance between stroke rate and speed.
Fill in the required fields to see your result.
Swimming
Open Water Swimming Time Calculator
Estimates your open water swim finish time based on your pool pace, race distance, water conditions, and wetsuit use. Ideal for triathletes and open water racers planning race-day pacing.
Fill in the required fields to see your result.
Key differences
| Swimming Stroke Efficiency Calculator | Open Water Swimming Time Calculator | |
|---|---|---|
| Category | Swimming | Swimming |
| Inputs required | 2 | 4 |
| Result | SWOLF Score (points) | Estimated Open Water Time (seconds) |
| What it does | Calculate your SWOLF score by adding stroke count and lap time for a 25m or 25-yard length. Use it to track swimming efficiency and find the best balance between stroke rate and speed. | Estimates your open water swim finish time based on your pool pace, race distance, water conditions, and wetsuit use. Ideal for triathletes and open water racers planning race-day pacing. |