Fitness Calculators

Scientifically-validated tools to optimize your fitness journey.

Calculate your Total Daily Energy Expenditure using the scientifically-validated Mifflin-St Jeor formula.

Calculate calories burned during any activity using scientifically-validated MET values for over 200 activities.

Calculate your optimal protein, carbs, and fat breakdown based on your weight, goals, and activity level.

Calculate your body fat percentage, lean body mass, and FFMI using US Navy and YMCA methods.

Calculate your Body Mass Index and understand your weight category for health assessment.

Estimate your one-repetition maximum using Epley & Brzycki formulas.