Nutrition Calculators

Science-backed nutrition calculators to plan your diet, set calorie targets, optimize macros, and time your nutrition for any fitness goal.

TDEE Calculator

Calculate your Total Daily Energy Expenditure using the Mifflin-St Jeor equation. Get maintenance and goal-specific calorie targets.

Find your Basal Metabolic Rate using both Mifflin-St Jeor and Harris-Benedict formulas. Understand your minimum calorie needs.

Calculate how many calories you need per day to reach your goal - weight loss, maintenance, or muscle gain.

Calculate your daily calorie deficit to reach your goal weight by a target date. Includes weight loss timeline chart.

Get personalized daily protein, carbohydrate, and fat targets based on your TDEE and fitness goal.

Calculate your optimal daily protein intake based on body weight and goal. Based on peer-reviewed meta-analyses.

Calculate your creatine loading (0.3g/kg) and maintenance dose. Includes timeline, timing guide, and safety information.

Choose your IF protocol - 16:8, 18:6, 20:4, 5:2, or OMAD. Get eating window, fasting window, and visual timeline.

Multi-step wizard: goal → budget → experience. Get a personalized supplement stack with dosage, timing, and benefits.