Why do I burn so few calories?
I exercise as hard as my son and I burn very few calories. Why?
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Hi
When comparing calorie data recorded by different devices and their apps, keep in mind that Apple Watch reports active energy / calories, whereas many other fitness devices and apps report total energy (resting + active calories).
Calorie estimations depend, in part, on your personal information. To check that this has been entered accurately and to update it over time:
On your iPhone, in the Watch app, go to: My Watch > Health > Edit (upper-right).
To help improve the accuracy of calorie and other activity-related estimations made by Apple Watch, you can also calibrate it
Calibration teaches your watch how your arm movements relate to your stride lengths at different speeds when you are walking and/or running. It does this - during outdoor walks and/or outdoor runs - by comparing data from the accelerometer with GPS (Location Services) data.
To calibrate your watch - and to reset existing calibration data, if desired - follow the instructions here:
For the best performance from the heart rate sensor (data from which is used when estimating calories) during workouts, ensure that you wear your watch snugly on the top of your wrist. Apple suggests that you consider tightening the band before starting a workout and loosening it again afterwards:
Your heart rate. What it means, and where on Apple Watch you’ll find it. - Apple Support
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