// Tools

Free Fitness Calculators & Training Tools

Evidence-based calorie, macro, and training calculators built on peer-reviewed science. Free tools for home gym athletes.

Body Composition

BMI Calculator

Calculate your BMI instantly with the WHO formula. Understand what your result means, its limits, and what to do next. Evidence-based. No gym required.
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Nutrition

Calorie Deficit Calculator

Calculate your personalised calorie deficit using the Mifflin-St Jeor equation. Enter your stats, get your TDEE and safe daily fat-loss target in seconds.
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