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Thermodynamic metabolic modeling that adapts to your changing biology. Simple tracking with direct calculations.

Calculators

TDEE Calculator
Adaptive TDEE
Calorie Deficit
Bulking Calculator
Macro Calculator
BMR Calculator
Reverse Diet

Guides & Science

The Science
TDEE vs BMR
How to Calculate
Accuracy Analysis

Comparisons

vs MacroFactor
vs MyFitnessPal
vs Cronometer

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