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Calories burned by activity and time.
This calculator estimates how many calories an activity burns using MET values — the Metabolic Equivalent of Task. One MET is the energy you use sitting quietly, so an activity rated at 8 MET burns roughly eight times that rate.
By combining an activity's MET value with your body weight and how long you exercise, you get a quick estimate of energy expenditure that is useful for planning training and tracking your overall calorie balance.
A MET of 1 equals about 1 kcal per kg of body weight per hour at rest.
A MET is the ratio of an activity's energy cost to resting energy use. Sitting quietly is 1 MET; brisk walking is about 3.5 MET.
Wearables use heart rate, motion sensors and personal data to refine the estimate, whereas MET tables use averages. Both are approximations.
Yes. Calories scale directly with weight, so a 90 kg person burns noticeably more than a 60 kg person over the same workout.