Exercise calories

Calories burned during Swimming moderate — 15 to 60 minutes

Swimming moderate is estimated at about 6 METs. A 70 kg person may burn roughly 220 calories in 30 minutes or 441 calories in 60 minutes.

110 kcal15 min at 70 kg
220 kcal30 min at 70 kg
441 kcal60 min at 70 kg
Estimate, not a measurement: Watches and machines can also be wrong. Use the same method consistently and avoid “eating back” every reported exercise calorie automatically.

Calories by body weight

Body weight30 minutes60 minutes
60 kg189 kcal378 kcal
70 kg220 kcal441 kcal
80 kg252 kcal504 kcal
90 kg284 kcal567 kcal

Calories by duration for a 70 kg person

DurationEstimated calories
15 minutes110 kcal
30 minutes220 kcal
45 minutes331 kcal
60 minutes441 kcal

What changes the calorie burn?

Stroke, technique, water temperature and rest periods can change swimming energy cost.

Two people with the same body weight can burn different amounts because movement efficiency, fitness, intensity and rest time differ. MET tables describe an average energy cost, not a laboratory measurement of your session.

How the estimate is calculated

Formula: calories per minute ≈ MET × 3.5 × body weight in kg ÷ 200.

For example, multiply the calories-per-minute estimate by 30 for a half-hour session. The result is rounded because false precision would make the number look more certain than it is.

How to use Swimming moderate in a weight-management plan

Safety and recovery

Stop and seek medical advice for chest pain, fainting, severe breathlessness or a new injury. People who are pregnant, recently inactive, recovering from surgery or managing a medical condition may need an individualized starting plan.

Method and sources

Estimates use standard MET-based calculations. Public-health guidance generally encourages adults to accumulate regular aerobic activity and muscle-strengthening activity, while recognizing that some activity is better than none. See Sources & Methodology.

Back to exercise database