Estimated calories burned during an activity, using standard MET values.
Calories = MET value of the activity × your weight (kg) × duration (hours). MET figures come from the standard Compendium of Physical Activities.
MET (Metabolic Equivalent of Task) represents how many times more energy an activity uses compared to resting — for example running at 10 km/h is 9.8 MET, nearly 10x your resting metabolic rate.
The 'Same duration, other activities' table reuses your entered weight and duration but swaps in each activity's own MET value, so you can compare calorie burn across activities without re-entering your numbers.