Free Health & Fitness Calculators

Track your weight loss, build muscle, and optimize your longevity. Use our medically accurate tools to find your body's baseline.

Check your Body Mass Index and find your healthy weight range.

Estimate your body fat percentage and lean muscle mass accurately.

Discover the healthiest weight range for your height and frame size.

Waist-to-Hip Ratio

Assess your heart health and body shape risk (Apple vs Pear).

Find out if you are an Hourglass, Pear, Apple, or Rectangle shape.

Calculate exactly how much muscle and bone weight you carry.

TDEE Calculator

Calculate your Total Daily Energy Expenditure to lose or gain weight.

Find your Basal Metabolic Rate (calories burned at complete rest).

Macro Calculator

Create a custom diet plan: Protein, Carbs, and Fats daily targets.

Find out exactly how much protein you need for muscle growth.

Steps to Calories

Convert your daily step count into total calories burned.

Calculate energy used for swimming, cycling, lifting, and chores.

Calculate splits for your next 5k, 10k, Half, or Full Marathon.

Estimate your cardiovascular fitness level without a lab test.

Heart Rate Zones

Find your target heart rate zones for Fat Burn and Cardio training.

Estimate your maximum strength safely for any lift.

Bench Press Calc

Check your Bench strength level (Beginner vs Elite) and max.

Compare strength against other lifters regardless of body weight.

Find your daily hydration goal based on weight and activity.

Check if you are drinking too much coffee or energy drinks.

Alcohol Calories

Track units and empty calories in beer, wine, and spirits.

See how much money you will save by quitting smoking today.

Calculate how much sleep you owe your body to recover.

Estimate your baby's arrival date and trimester milestones.

Find your most fertile days to increase chances of conception.