Free Nutrition Tools

Calculators built on the same evidence-based formulas the CalTracker app uses. No sign-up, no paywall, instant results.

Calorie Calculator — TDEE, Deficit & Macros

Your maintenance calories, a safe deficit or surplus target, and a suggested macro split — via the Mifflin-St Jeor equation, in metric or imperial.

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Macro calculator, calorie deficit planner, and a goal-date estimator are in the works. Meanwhile, the blog covers how to use the numbers.