Free Fitness Calculators & Tools

Access our collection of free fitness and health calculators to help you reach your goals.

Strength Standards Calculator

Compare your strength levels on major lifts to established standards and discover your next milestone.

Calculate your Total Daily Energy Expenditure and get personalized macro recommendations.

Calculate your Body Mass Index (BMI) to determine if you're at a healthy weight for your height.

Estimate your body fat percentage using various measurement methods.

Calculate body fat percentage using the U.S. Army standards and tape method.

Calculate your Basal Metabolic Rate (BMR) to understand your daily caloric needs.

Calculate your one-rep max (1RM) for any exercise without maximal testing.

Estimate your maximal oxygen uptake (VO2 max) to gauge cardiovascular fitness.

Calculate your heart rate training zones for optimal cardiovascular exercise.

Get personalized macronutrient recommendations based on your goals.

Calculate your Army Combat Fitness Test (ACFT) score.

Calculate your one-rep maximum (1RM) for bench press using multiple formulas.

All our calculators are completely free and designed for simplicity.

Built using proven scientific formulas and research.

Use our tools on any device, anywhere, anytime.

Get AI-powered workout plans tailored to your goals, track nutrition with ease, and access detailed exercise guides - all in one app.