Swimming Calorie Calculator

Your details

Your current body weight. Heavier swimmers burn more calories at the same speed.
kg
Select the stroke or water activity that best matches your session. Each has a different MET value from the Compendium of Physical Activities.
How many minutes you swam. Enter your whole session, including rest periods if you want a gross-burn figure.
min
Calories burnedVery vigorous
360kcal

Total energy burned during your swim

Burn rate12kcal/min
Hourly rate720kcal/hr
MET value9.8
720 kcal/hr
Light<250Moderate250-450Vigorous450-650Very vigorous650+

You burned approximately 360 kcal in 30 minutes.

  • At 720 kcal/hr, Freestyle - fast / vigorous has a MET of 9.8, which classifies as vigorous intensity exercise by WHO standards.
  • Your 30-minute swim burned roughly 360 kcal, equivalent to about 1.3 slices of pizza (approx. 285 kcal each).
  • Compared to walking at a normal pace (MET 3.5), swimming freestyle - fast / vigorous burns about 2.8x as many calories in the same time.
  • These estimates assume continuous effort. Rests, push-offs, and flip turns reduce actual energy output.

Next stepHigh-intensity swimming is excellent for cardiovascular fitness. Aim for at least 75 minutes per week of vigorous aerobic activity per CDC guidelines.

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