Swim Smarter, Train Better

Professional swimming calculators and expert training guides for competitive swimmers, coaches, and fitness swimmers.

🏊 Popular Tools

Calculate split times, calorie burn, stroke rates and more

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Training

Calculate pace per 100m, projected race times, and optimal split strategies.

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Fitness

Estimate calories burned swimming based on stroke, distance, and body weight.

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Training

Find your optimal training zones based on max heart rate or lactate threshold.

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Stats

Calculate SPM (strokes per minute) and compare across stroke types.

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Training

Plan your pacing strategy for any distance freestyle race.

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Health

Calculate fluid needs based on workout intensity and duration.

Expert articles on technique, training, and recovery

Technique

How to perfect your catch, pull, and breath for faster freestyle.

Training

Using work-to-rest ratios to maximize your swim training gains.

Strength

Build the core strength and shoulder stability every swimmer needs.