Activity Calorie Burn Calculator
Multiplies the MET value of each activity by your body weight and the hours spent to show how many calories you burn and the combined total.
Enter your numbers
Example: 70
Example: 3.5
Example: 1
Example: 8
Example: 0.5
Recent
Formula
How the calculation works
The calculator takes the MET value of an activity, which rates how intense it is compared with sitting still, and multiplies it by your weight in kilograms.
It then multiplies that figure by the number of hours you spend on the activity to give the calories burned in that session.
Adding the burn from each activity together produces the combined total for the day.
Common mistakes
- Using the MET value for the wrong pace, since walking slowly and walking briskly carry quite different MET numbers.
- Entering minutes instead of hours, which inflates the calorie figure sixty times and makes the estimate meaningless.
When to use it
- Use it to compare two workouts and see which one burns more calories for the time you actually spend.
- Use it while planning a weight-loss routine so the daily burn target is based on real MET values rather than guesses.
Worked example
At 70 kg, walking at MET 3.5 for 1 hour burns 245 kcal and running at MET 8 for 0.5 hour burns 280 kcal, giving 525 kcal in total.
Common questions
Where do MET values come from?
MET values come from the Compendium of Physical Activities, where one MET equals the energy used while sitting quietly at rest.
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