Health & Fitness Calculators

Calculate your BMI (Body Mass Index), see your weight category, and find your healthy weight range.

Calculate your daily calorie needs for weight loss, maintenance, or muscle gain using the Mifflin-St Jeor equation.

Calculate Total Daily Energy Expenditure for effective weight management.

Calculate your Basal Metabolic Rate — calories burned at complete rest.

Estimate body fat percentage using the US Navy or BMI method.

Calculate ideal macronutrient ratios for your fitness goals.

Find your ideal body weight range based on height and frame size.

Calculate due date, conception date, and full pregnancy timeline by week.

Predict your ovulation window and most fertile days in your cycle.

Calculate optimal daily protein intake for muscle gain, fat loss, or maintenance.

Calculate calories burned during exercise and physical activities.

Find your target heart rate zones for optimal cardio training.

Calculate running pace, finish time, or distance for any race.

Estimate your one-repetition maximum for strength training exercises.