Nutrition Calculators
Free, science-backed calculators to help you plan your nutrition. No signup required. Calculate your daily calories, macros, and weight loss timeline in seconds.
Each calculator uses peer-reviewed formulas like the Mifflin-St Jeor equation for TDEE and evidence-based macro splits for different diet styles. Enter your stats once to get calorie and macro targets personalized to your body, activity level, and goals.
TDEE Calculator
Calculate your Total Daily Energy Expenditure using the Mifflin-St Jeor equation. Find out how many calories you burn per day.
Macro Calculator
Find your optimal daily protein, carbs, and fat based on your goals. Supports balanced, low-carb, high-protein, and keto diets.
Calorie Deficit Calculator
Get a personalized daily calorie target and estimated timeline to reach your goal weight at a safe, sustainable pace.