Online Health Calculators

Calculate recommended weight gain during pregnancy based on IOM guidelines and your pre-pregnancy BMI.

Calculate how many calories you need to consume daily based on your metabolism and activity level

Search foods and check their calories, protein, carbs, fat, and fiber per serving

Calculate your Total Daily Energy Expenditure (TDEE) with basal metabolic rate, activity level, and weight goals

Calculate your exact pregnancy calorie needs with our free pregnancy calories calculator. Get personalized daily calories by trimester with macronutrient breakdown.

Calculate how many calories you burn based on your physical activity, weight, and exercise duration

Predict your next period, fertile days, and ovulation date. Personalized menstrual calendar.

Calculate your baby's weight and height percentiles according to WHO standards

Calculate your due date, current pregnancy week, and estimated baby weight. All in one calculator.

Calculate your estimated due date and track your pregnancy progress week by week

Calculate your estimated due date and track your pregnancy progress week by week

Calculate your target heart rate to train efficiently based on your fitness goals

Calculate your exact body fat percentage with our free body fat calculator using the proven U.S. Navy method. Get instant results with detailed analysis.

Calculate how much water you need to drink daily based on your weight, activity level, and climate

Calculate your Body Mass Index and discover if your weight is in a healthy range

Calculate your waist-to-hip ratio (WHR) and determine your cardiovascular risk level based on WHO guidelines.

Calculate your daily macros (protein, carbs and fat) based on your calories and nutritional goal.

Calculate your exact basal metabolic rate with our free basal metabolic rate calculator. Get BMR with Mifflin-St Jeor and Harris-Benedict formulas plus TDEE estimates.

Calculate your ovulation date, fertile window, and the best time to conceive

Calculate your ovulation date, fertile window, and upcoming periods to plan a pregnancy

Calculate your ideal weight using multiple recognized medical formulas

Classify your blood pressure reading according to AHA guidelines and learn your cardiovascular risk level.

Estimate pregnancy probability based on your age, time trying, and cycle timing

Calculate your current pregnancy week, trimester, and due date

Calculate your body surface area using the Du Bois, Mosteller, and Haycock formulas. Useful for drug dosing and medical assessments.