The calorie count for workouts seems low any know why

Have you already made sure that your health related data is all in and the calibration is in good shape:

Calibrating your Apple Watch for improved Workout and Activity accuracy - Apple Support

Weight has a lot to do with this ... heavier people with similar heart rate simply burn many more calories in the same time.

Best to head over to the Developer forums with that observation, thanks

https://developer.apple.com/forums/

Peter Van Teeseling wrote:

Having the same problem. And it’s not calibration or other. Similar workouts last week vs since updating to iOS 14.5 have significant differences.

https://discussions.apple.com/content/attachment/40684a49-723f-480e-a502-9207ed3afdd3

https://discussions.apple.com/content/attachment/07475dd6-d597-4b13-b11b-08971c0966a0

Having the same problem. And it’s not calibration or other. Similar workouts last week vs since updating to iOS 14.5 have significant differences.

We are not allowed to discuss beta software on this forum.