Fitness

Calories Burned Swimming Calculator

Pool session energy burn by stroke and effort.

Enter your values

ⓘ Live results

Results
Calories burned
448 kcal
Per hour
598 kcal
Per 100 m (at 2 min/100m)
20 kcal
MET value used
8.3

Quick answer

Swimming burns 6-11 METs depending on stroke and effort — butterfly and fast freestyle are the highest.

kcal = MET x kg x hours

How to use the Calories Burned Swimming Calculator

  1. 1Enter your weight and the length of the session.
  2. 2Pick the stroke and effort level closest to your swim.
  3. 3Exclude long rest periods from the duration.

Worked example

Using the values the calculator loads with:

Inputs

  • Weight72 kg
  • Duration45 min
  • Stroke & effortFreestyle moderate

Results

  • Calories burned448 kcal
  • Per hour598 kcal
  • Per 100 m (at 2 min/100m)20 kcal
  • MET value used8.3

Frequently asked questions

Why does swimming feel harder?

Water conducts heat 25x faster than air and adds drag, raising energy cost at any pace.

Does swimming make you hungry?

Cold water can increase appetite — plan post-swim nutrition deliberately.

About this calculator

Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.