FREE·Calculators
Free fitness calculators
Calories, protein, one-rep max and BMI. The same calculations we use to build custom plans.
kcalCalories (TDEE)How many calories you burn per day and how much to eat to build muscle, lose weight or maintain.Calculate →gProteinHow many grams of protein a day you need to build muscle, lose fat or tone up.Calculate →1RMOne-rep max (1RM)Find your estimated one-rep max without risky single-rep lifting, and what weight to train with.Calculate →BMIBMICalculate your body mass index and the healthy weight range for your height.Calculate →