Health and Fitness

Calculate BMI, calories, body fat, macros, heart rate zones, ideal weight, and running pace.

12 tools

Calculate your Body Mass Index with a visual scale showing underweight, normal, overweight, and obese categories.

Health and Fitness

Calculate your Total Daily Energy Expenditure (TDEE) and daily calorie needs using the Mifflin-St Jeor formula.

Health and Fitness

Estimate your body fat percentage using the US Navy method with neck, waist, and hip circumference measurements.

Health and Fitness

Find out how much water you should drink daily based on your weight, activity level, and climate conditions.

Health and Fitness

Calculate your personalized training heart rate zones using the Karvonen method with resting heart rate.

Health and Fitness

Calculate your daily protein, carbohydrate, and fat targets based on your calorie needs and fitness goals.

Health and Fitness

Find your ideal body weight range using multiple established formulas including Devine, Robinson, and Hamwi.

Health and Fitness

Calculate your running pace, finish time, or distance for any race. Supports min/km and min/mi formats.

Health and Fitness

Estimate your baby's due date based on your last menstrual period or conception date with weekly milestones.

Health and Fitness

Estimate your blood alcohol concentration (BAC) based on drinks consumed, body weight, sex, and time elapsed.

Health and Fitness

Find the best times to wake up or go to sleep based on 90-minute sleep cycles to feel more refreshed.

Health and Fitness

Estimate your one-rep max for any lift using weight and reps performed. Includes percentage-based training loads.

Health and Fitness

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