Swimming is a low-impact full-body endurance activity that develops aerobic fitness, technique, and muscular endurance. The water reduces impact while still adding resistance through every stroke. Pace, stroke type, rest intervals, and pool or open-water conditions all shape the training effect.
Exercise Metrics
Fitness Profile [1]
Heart Rate Zones [2]
Activity Type Details
Calorie Burn
Estimated active Calories per 30 minutes of exercise for the MET range 5.8 - 14.5. Active Calories exclude the energy your body would use at rest.
| Body weight | Estimated active Calories / 30min |
|---|---|
| 50 kg (110 lb) | 126 - 354 Cal |
| 60 kg (132 lb) | 151 - 425 Cal |
| 70 kg (154 lb) | 176 - 496 Cal |
| 80 kg (176 lb) | 202 - 567 Cal |
| 90 kg (198 lb) | 227 - 638 Cal |
| 100 kg (220 lb) | 252 - 709 Cal |
Actual energy use varies with intensity, fitness, movement efficiency, and individual physiology. Learn more in the "How to Estimate Calories Burned with MET Values" resource.
Training advice
Benefits
Swimming builds aerobic fitness, muscular endurance, breathing control, and technique with very low impact. It is useful for conditioning when joints need a break from land-based loading.
What to watch out for
Water safety, breathing comfort, shoulder load, and technique matter. Swim in appropriate environments, progress volume gradually, and reduce intensity if form breaks or breathing feels uncontrolled.
Explore other Activity Types in the Aquatic category: