Free fitness tool

Body Recomposition Calculator

Start with calories and protein for slow composition change.

Enter your details

How this calculator works

Starting calories use a small deficit while protein stays high.

How to use your result

Keep your inputs consistent and compare weekly trends. Make small changes only after enough data accumulates.

Important limitation

Calculator results are estimates. Pregnancy, eating disorders, medical conditions, injuries, or concerning symptoms require qualified professional guidance.

Methodology sources

Turn these numbers into a plan

RizzFit builds your workouts, calories, and macros around your goal — and adapts as you progress.

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