Heart Rate
Calculator
Max and target zones.
Open the heart rate calculator →
Fitness — Energy
Calories Burned Calculator
Pick an activity and enter your weight and time to estimate the calories you burned.
Calories burned
—
Estimated energy used.
| Per minute | — |
|---|---|
| Per hour | — |
| MET value | — |
Show our math
Enter your figures above to see the step-by-step working.
Educational estimate — not medical adviceEverything computed client-side — nothing leaves this page
How the Calories Burned Calculator Works
This calculator estimates the calories you burn during exercise using MET values — the Metabolic Equivalent of Task. One MET is the energy you use at rest; an activity rated at 8 METs burns eight times that. The standard formula multiplies the activity’s MET value by your body weight and time.
Specifically, calories per minute equal MET × 3.5 × your weight in kilograms ÷ 200. Pick your activity, enter your weight and how long you exercised, and the calculator returns the total, plus the rate per minute and per hour. Heavier people and harder activities burn more.
kcal/min = MET × 3.5 × weightkg ÷ 200
Frequently Asked Questions
What is a MET value?
A MET (Metabolic Equivalent of Task) expresses how hard an activity is relative to sitting still, which is 1 MET. Running at 6 mph is about 9.8 METs, so it burns nearly ten times the resting rate.
How accurate is the estimate?
It is a solid population-level estimate, but individual burn varies with fitness, efficiency and body composition. Treat it as a good ballpark rather than an exact figure.
Does body weight change calories burned?
Yes — a heavier body uses more energy to do the same work, so calories burned scale directly with weight in this formula.
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