[vegardx]

I'm mostly happy with my Apple Watch, but you better hope that it doesn't calibrate itself poorly. There's no way to force it to recalibrate and it persists through full reset and even full replacement of the Apple Watch itself. I've more or less given up trying to fix it. So according to Apple I've been standing upright all waking hours for the last 3-4 years.

I've heard similar issues for people using crutches. They get like 3-5x the amount of steps, or not steps at all, and you've guessed it, no way to calibrate it.

(I'm sort of posting this in the hope that someone actually know how to force it to recalibrate)

[aspenmayer]

https://support.apple.com/en-us/105048

> Reset your calibration data

> Here's how to reset your calibration data:

> On your iPhone, open the Watch app.

> Tap the My Watch tab, then tap Privacy > Reset Fitness Calibration Data.

[vegardx]

I'm going to chalk this up to the decline in Google search to save my embarrassment, because that was very straight forward, and I don't understand how I didn't find that. Admittedly, it's a couple of years since I looked and it could be a new feature.

Funnily enough one of the demonstrated use-cases of Apple Intelligence was looking up information like this.

[teemaw]

I understand this will reset motion calibration data but does anyone know if heart rate measurements also use calibration data? My Ultra 2 always seems to undercount my heart rate compared to my older Series 6. This is especially noticeable during higher intensity workouts.

[lqueenan]

Check your weight in the health app. I’ve entered a very low value by mistake and had this happen.