Why the Apple Watch's 20-minute calibration test is worth your time - especially if you're data curious

Want more accurate, personalized health data during your workouts? Here's how to calibrate your Apple Watch.

Apr 14, 2026 2

Why the Apple Watch's 20-minute calibration test is worth your time - especially if you're data curious
Want more accurate, personalized health data during your workouts? Here's how to calibrate your Apple Watch.
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