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❤️ Health Calculators

Health and fitness calculators for BMI, calories, body fat, due dates, and more.

Water Intake Calculator
Calculate your recommended daily water intake in ounces, liters, and glasses.
Waist-to-Hip Ratio Calculator
Calculate your waist-to-hip ratio and assess cardiovascular health risk.
Steps to Calories Calculator
Convert your daily step count to calories burned and distance walked.
Sleep Cycle Calculator
Find the best bedtimes to wake up feeling refreshed based on 90-minute sleep cycles.
Protein Intake Calculator
Calculate your daily protein requirements based on weight and activity level.
Pregnancy Weight Gain Calculator
Determine recommended pregnancy weight gain based on your pre-pregnancy BMI.
Ovulation Calculator
Predict your ovulation date and fertile window based on your cycle.
Macro Calculator
Break down your daily calories into protein, carbohydrate, and fat macros by percentage.
Lean Body Mass Calculator
Estimate your lean body mass, fat mass, and body fat percentage from weight, height, and sex.
Ideal Weight Calculator
Find the ideal body weight range for your height using standard formulas.
Hydration Calculator
Calculate your recommended daily water intake based on weight and exercise.
Heart Rate Zone Calculator
Calculate your maximum heart rate and training zones based on your age.
Pregnancy Due Date Calculator
Calculate your estimated due date based on your last menstrual period.
Calorie Deficit Calculator
Calculate your daily calorie deficit and estimated weekly weight loss.
Calorie Calculator
Estimate your daily caloric needs based on body stats and activity level.
Body Surface Area (BSA) Calculator
Calculate your body surface area using the Mosteller formula.
Body Fat Calculator
Estimate your body fat percentage using the US Navy circumference method.
BMI Calculator
Calculate your Body Mass Index (BMI) based on weight and height.
Blood Pressure Calculator
Classify your blood pressure reading and calculate pulse pressure and mean arterial pressure.
Blood Alcohol Content (BAC) Calculator
Estimate your blood alcohol concentration based on drinks consumed, weight, and time.