The Apple watch is pretty good at counting your steps, and guessing the length of your strides, but does it really know how far you have run or walked? With a Series 3 Apple Watch, the onboard GPS almost takes care of it for you. If you have an older Apple Watch, though, you’ll need to take your iPhone along for a few runs to let the watch calibrate itself using the iPhone’s GPS. Here’s how.
How to calibrate your Apple Watch for accurate workout stats
Photo: Ste Smith/Cult of Mac
