Calories burned, explained

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Short, sourced answers to the questions behind the app: what TDEE and BMR are, and what an Apple Watch is really measuring.

How many calories do I burn a day?Average daily burn by age and sex, the resting-only number, and how to measure your own.TDEE calculatorTotal daily energy expenditure, the formula, and how to measure it instead of estimating.BMR calculatorBasal metabolic rate explained, with a calculator and the Apple Watch comparison.Active vs resting calories on Apple WatchWhy the Move ring reads low and how to see your real daily total.