Apple Watch: calories not counted

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_iShaun Author

Level 1

41 points

Apple Watch: calories not counted

So I did a 25min HIIT workout, chose Calories option, set calories to 300 and away I went.

I did this on a treadmill, alternating speeds between 5mph & 9mph.

At no point or even afterwards did the calorie counter take any readings (Active Cal / Total Cal).

It remained at 0 for both.

The only thing to take a real time reading was my heart rate and time elapsed.

I have my measurement set up correctly; height, weight, etc.

I thought when the countdown started it would record my calories burnt.

Am I missing something?

Apple Watch Series 3, watchOS 4

Posted on Nov 12, 2017 7:45 AM

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Answer 1

Top-ranking reply

Jonathan UK

Level 10

163,865 points

Nov 12, 2017 8:15 AM in response to _iShaun

Hi

If calories are not being recorded by the Activity app or Workout app, then the following steps may help (check after each):

If you have not yet done so, update your iPhone and Apple Watch to the latest software, starting with your iPhone:

Check that you have set up the Activity app:

Track daily activity

Close certain apps and restart both your iPhone and your Apple Watch:

Close the Watch app, Activity app and Health app (if open) on your iPhone:
- Double-click the Home button, then swipe up on each app preview to close the apps.
Turn both devices off together, then restart your iPhone first:
- Restart your iPhone, iPad, or iPod touch - Apple Support
- How to restart your Apple Watch - Apple Support

Check your fitness tracking settings:

On your iPhone, in the Watch app, go to: My Watch (tab) > Privacy - turn on Heart Rate and Fitness Tracking.
On your iPhone, go to: Settings > Privacy > Motion & Fitness - check that both Fitness Tracking and Health are enabled.

Check that Wrist Detection is turned on and that, if passcode is enabled, you are unlocking your Apple Watch after placing it on your wrist:

On your iPhone, in the Watch app, go to: My Watch (tab) > Passcode > turn Wrist Detection on.

Check that you are wearing your Apple Watch correctly:

For the best performance from your Apple Watch - including the most accurate readings from the heart rate sensor, which is used continually during workouts - be sure to wear your Apple Watch snugly (but not too tightly) on the top of your wrist.
Apple suggests tightening your Apple Watch band before workouts and loosening it again afterwards:
- Wearing your Apple Watch - Apple Support
Sensor performance can be affected by skin changes, such as by some wrist tattoos.

Calibrate your Apple Watch, resetting any existing calibration data and starting afresh. Follow the instructions here (this process can be equally beneficial for Series 3 models):

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

If the issue persists, then it may help to unpair and re-pair your Apple Watch:

The Watch app on your iPhone takes a backup of your watch automatically when unpairing via the app.
Initially choose to Restore from Backup during set up (most data and settings will be restored, with some exceptions, such as Apple Pay cards, passcode).
If the issue persists, consider instead unpairing and setting it up as a new watch.
Unpair your Apple Watch and iPhone - Apple Support
Set up your Apple Watch - Apple Support

If the issue still persists, then I suggest that you contact Apple Support (remote diagnostics and/or mail-in service may be available, if required), make a Genius Bar reservation or visit an Apple Authorised Service Provider for assistance:

More information:

Get the most accurate measurements using your Apple Watch - Apple Support

Use the Activity app on your Apple Watch - Apple Support

Work out with your Apple Watch - Apple Support

Your heart rate. What it means, and where on Apple Watch you’ll find it. - Apple Support

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