36 Free Calculators

All Nutrition & Fitness Calculators

Every calculator you need to find your calorie target, set your macros, measure body composition, and track calories burned — all free, no account required.

Calorie & Energy

Find how many calories your body burns and set the right intake target for your goal.

TDEE by Goal

Specialized TDEE calculators tailored to specific body composition and performance goals.

TDEE for Women

Calculators built for female-specific physiology, hormonal cycles, and life stages.

Nutrition & Macros

Turn your calorie budget into exact gram targets for protein, carbohydrates, and fat.

Body Composition

Measure and track your body composition to understand fat, muscle, and weight in context.

Calories Burned

Calculate how many calories you burn during specific activities using validated MET values.

Not Sure Where to Start?

Start with your TDEE. It is the foundation of every calorie target, macro split, and deficit calculation on this site. Get your number in under two minutes.

Calculate My TDEE