Free fitness & nutrition calculators
Enter weight and reps to estimate your 1RM, or enter 1RM to get percentage-based training loads.
Track daily and weekly costs of a carnivore diet. Add meat items, set quantities, and see total expenses.
Personalized sodium, potassium, and magnesium dosage recommendations based on weight, activity level, and symptoms.
Calculate your Basal Metabolic Rate and Total Daily Energy Expenditure using Harris-Benedict and Mifflin-St Jeor formulas.
Estimate body fat percentage using the US Navy method with waist, neck, and hip measurements.
Determine your daily protein needs based on body weight, activity level, and fitness goals with food equivalents.
Split your daily calories into protein, carbs, and fats. Supports balanced, keto, high-protein, and bodybuilding splits.