Meet the Swimming Calculators: Pace, Laps, Calories &
Four swim calculators: your pace per 100 m or yards and projected times for common distances; laps to distance (and back) for any pool length.
- Free to use
- No signup
- Nothing to install
- Runs in your browser
1500 m in 30:00 is 2:00 per 100 m. 40 lengths of a 25 m pool is 1,000 m.Open the Swimming Calculators: Pace, Laps, Calories &
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The Swimming Calculators: Pace, Laps, Calories & with sample data entered and the result showing.
What is the Swimming Calculators: Pace, Laps, Calories &?
Four swim calculators: your pace per 100 m or yards and projected times for common distances; laps to distance (and back) for any pool length; calories burned by stroke and intensity; and critical swim speed (CSS) from a 200 m and 400 m test with training paces for five zones.
Useful for pool training, triathlon preparation and open-water goals.
3 steps to your result
Open the tool and follow along. Nothing to install.
What you get
50 m to 3.8 km.
Any pool length.
By stroke.
From a 200/400 test.
AZRS tools are free to open and use.
It opens in your browser, so there is nothing to download.
Used for
Pick one to see how it fits.
How it compares
A plain look at this tool next to the usual alternative.
| This fitness tool | Desktop software | |
|---|---|---|
| Install | Nothing to install | Usually an app or program to install |
| Account | No signup | Depends on the product |
| Cost | Free to use | Free or paid, depends on the product |
| Where it runs | In your browser tab | On your computer |
Questions people ask
What is CSS?
The speed you can hold for roughly 30 minutes: (400 m time − 200 m time) ÷ 200.
Is it free and private?
Yes, with no account. Pace and race projections; Laps to distance; Swim calories. What you save stays on this device, and nothing is sent anywhere. Use the section you need. Enter times and distances.
Does it work for open water?
The pace and race projection work for any distance. Lap conversion needs a pool length, so it suits pool training.
How do I use the Swimming Calculators: Pace, Laps, Calories &?
1. Use the section you need. 2. Enter times and distances. 3. Read pace, laps, calories or zones.
Any tips for good results?
Test CSS after a warm-up with full rest between efforts. Do the CSS test after a proper warm-up and rest fully between the two efforts.
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Pace per 100 m, lap converter, calories burned and critical swim speed. Free to use.
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