Calories Burned by Activity Calculator
Calculate calories burned during any activity using MET values. Free exercise calorie calculator by weight and duration.
MET values from the Compendium of Physical Activities. kcal = MET x weight in kg x hours.
Frequently asked questions
- How are calories burned calculated?
- The MET formula: MET value times body weight in kg times hours. MET values come from the Compendium of Physical Activities.
- What is a MET?
- One MET is resting energy use. An activity at MET 8 burns about 8 times your resting rate.
- How accurate is the estimate?
- Within 10-20% for most people. Fitness level, technique and body composition all shift the real number.
- How much exercise do I need to lose weight?
- Health guidelines suggest 150 minutes of moderate activity per week. Weight loss itself comes mostly from a calorie deficit.
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