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TDEE: the whole calories-out story (and how Burnie simplifies it)

TDEE: the whole calories-out story (and how Burnie simplifies it)

TDEE is every calorie you burn in a day. It has three parts: BMR, food digestion, and movement. Burnie folds movement into one active-calories number and keeps the maths simple.

13 Jul 2026 · Burnie Academy
tdee energy-balance bmr active-calories

TDEE means Total Daily Energy Expenditure. In plain words, it is every single calorie your body burns in one whole day. Think of it as your body's total daily bill. If you eat fewer calories than this bill, you lose weight. If you eat more, you gain weight. That is the whole game. The bill has three main parts, and knowing them helps you see where your calories actually go.

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