Swimming Calories Calculator
Estimate calories burned from swim time, body weight, and effort level.
Quick answer: enter your details below and click Estimate Calories — your result appears instantly, right here in your browser. Nothing you enter is uploaded or stored.
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Enter your details below.
How to use
- Enter your body weight.
- Enter your minutes in the water.
- Choose an effort level and click Estimate Calories.
About this tool
Swimming effort is described with a MET value, which scales with body weight and time. Choose an effort level, enter your weight and minutes in the water, and the tool multiplies them into a calorie estimate. It is an estimate only — stroke efficiency and water temperature shift the real burn.
Frequently asked questions
What is a MET?
One MET is roughly the energy used at rest, so swimming at 8 METs uses about eight times the resting rate.
Should I eat back these calories?
That depends on your wider eating plan; this tool only estimates the swim itself.