BMR is most of what you burn — four published equations, why they disagree, and what actually moves the number.
Resting energy via the equation the Academy of Nutrition and Dietetics rates most accurate for modern adults.
The classic 1919 metabolic equation in its 1984 Roza–Shizgal revision, with a note on when it over-predicts.
BMR from lean body mass (370 + 21.6 × LBM) — the equation of choice when you know your body-fat percentage.
Four published resting-energy equations on the same inputs, with the spread shown — see how much 'your BMR' really varies.
Resting metabolic rate with the BMR-vs-RMR distinction actually explained, not blurred.
Energy spent digesting — TEF from your macro mix using published per-macronutrient ranges, not a flat 10% guess.
Every tool on ToolJolt is free, runs in your browser and needs no sign-up.