Learning hub

Understand the estimates before you follow them.

Short guides for the formulas and choices behind TDEE Lab calculators.

GuideWhat is TDEE?

How total daily energy expenditure works and why it is only an estimate.

GuideTDEE vs BMR

The difference between resting energy and daily calorie burn.

GuideHow to choose activity level

Pick a multiplier that reflects your average week, not your best week.

GuideMacros for fat loss

Set calories, protein, carbs, and fats without chasing perfect grams.

GuideMacros for muscle gain

Use a modest surplus and enough protein to support training.