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How To Video
Easily improve accuracy results on the Apple WatchCNET's Dan Graziano shows you how to calibrate the Apple Watch for better accuracy when walking and running.
I've been wearing the Apple Watch for about a month now, and I've noticed that's not the most accurate when running or even walking for that matter. With results sometimes being off by as much as 10%. But there is a way to calibrate it which will help improve the accuracy of the distance and pace measurements when running outdoors without your phone Or when your phone's GPS signal isn't available, such as when running or walking on a treadmill. I found that when calibrated correctly, the accuracy results were spot on with an error rating of less than 1%. Before we begin, make sure the location services are enabled on your iPhone. To check this, head to Settings, click Privacy, and select Location Services. You also want your motion calibration and distance settings to be enabled. This can be done from your iPhone by hitting just Settings, selecting Privacy followed by Location Services, and selecting System Services at the bottom of the page. now let's get started! On a day with clear skies, Head to an outdoor location that has good GPS reception, Such as a Park. Calibration is performed automatically whenever you use your Apple Watches outdoor walk or outdoor run features in the Workout app. So from your Apple Watch, Tap the digital crown, Select Workout app and choose outdoor walk or outdoor run. Select the open noble option and start your activity. Apple recommends that you walk or run at your normal pace for roughly twenty minutes. After that simply end and save your workout. It's as simple as that. Now for people who run or walk at different speeds, it's recommended that you calibrate the watch for each pace. The more you calibrate the accelerometer to learn your stride length, the more accurate the Apple watch will be. But be warned, calibration data isn't backed up on your iPhone and is instead stored locally on the Apple watch The data will be erased if you ever unpair the watch with your iPhone, and you will be required to recalibrate it. For more tips and tricks like this one, be sure to check out howto.cnet.com. You can also reach out to me on Twitter with any questions or comments. I'm Dan Graziano for CNET. Thanks for watching.