Comprehensive health and fitness calculators for BMI, calorie needs, body composition, pregnancy tracking, and wellness metrics. Get accurate health assessments and personalized recommendations from tools trusted by doctors, nutritionists, and fitness professionals.
Track your wellness journey with science-backed calculators and achieve your health goals.
Calculate your Body Mass Index and determine your weight category.
Calculate daily calorie needs based on your activity level and goals.
Calculate precise calorie deficits for healthy weight loss with advanced BMR formulas and macronutrient planning.
Calculate body fat percentage using various measurement methods.
Calculate your Basal Metabolic Rate and daily calorie needs.
Calculate your ideal weight based on height and body frame.
Calculate personalized daily water intake needs with advanced environmental and health factors.
Calculate due date, pregnancy weeks, and important milestones.
Calculate Navy Physical Readiness Test scores with official OPNAVINST 6110.1J standards for plank, push-ups, cardio events across 11 age groups.
Calculate Air Force Physical Fitness Assessment scores with DAFMAN 36-2905 standards for cardio, strength, core, body composition with 2026 standards support.
Calculate pregnancy due date from conception or last period.
Calculate ovulation dates and fertile window.
Calculate calories burned during various physical activities.
Calculate target heart rate zones for optimal exercise intensity.
Professional steps to miles converter with real-time bidirectional conversion, 4 calculation methods, stride length analysis, calorie estimation, and comprehensive fitness tracking.
Calculate conception date from due date or last period.
Calculate daily carbohydrate needs for your diet and activity level.
Calculate lean body mass using various formulas.
Calculate your one repetition maximum for weightlifting.
Calculate daily protein requirements for your goals.
Calculate optimal daily fat intake for your diet.
Calculate Total Daily Energy Expenditure.
Track and predict menstrual cycle dates.
Calculate optimal macronutrient distribution for your goals.
Calculate recommended weight gain during pregnancy.
Calculate running pace, speed, and time for races.
Calculate body fat percentage using US Army standards.
Calculate Weight Watchers SmartPoints for foods.
Determine your body type and frame size.
Calculate body surface area using multiple formulas.
Calculate Blood Alcohol Content and estimated sobriety time.
Calculate BMI with warnings for underweight categories.
Calculate A Body Shape Index (ABSI) for mortality risk assessment beyond BMI.
Determine if weight is in healthy, overweight, or obese range.
Calculate Glomerular Filtration Rate for kidney function assessment.
Calculate baby growth percentiles using WHO standards. Track weight, length, and head circumference percentiles for babies 0-24 months with accurate WHO 2006 Child Growth Standards.
💡 Doctor's Tip: Small, consistent changes beat extreme diets. Losing just 5-10% of body weight significantly improves blood pressure, cholesterol, and diabetes risk. Track progress with multiple metrics (weight, measurements, energy levels) not just scale numbers.