Walking, running and cycling detection isn’t perfect on Fit, because your device’s sensors may record information in a different way to others.
You can try to fix problems with how Fit tracks an activity.
Change Fit’s permissions
Google Fit uses data from your phone to estimate your activity. To get more accurate estimates, turn on location and activity tracking.
Note: Learn how to change Google Fit’s permissions.
You notice different data on your watch and phone
If the activity numbers are different on your watch and phone, move the devices closer together so that they can sync.
You can't find your past activities
You might have to wait several hours before your stats appear on all your devices when you first connect or if you reconnect.
Fit doesn't track activities at all
Check to make sure that activity detection is turned on.
- On your Android phone, open Google Fit
.
- At the bottom, tap Profile
Settings
.
- Tap Track activity metrics and make sure that it is turned on.
.
Settings 
.If you have an HTC One M8, your phone might not work with Fit.
Get a more accurate calorie count
If you didn't enter your height and weight in Fit, calories are based on default measurements. For a better estimate of the calories that you burn, update your info.
- On your Android phone, open Google Fit
- Tap Profile.
- Tap your height or weight, then change it.
- Tap OK.