Health Calculators Directory
Comprehensive collection of digital calculators for health, fitness, and medical calculations
Most Popular Health Calculators
BMI Calculator
Calculate your Body Mass Index to determine if you’re at a healthy weight
Calculate BMI
12,345 users
4.8/5
BMR Calculator
Calculate your Basal Metabolic Rate to understand your daily calorie needs
Calculate BMR
8,765 users
4.7/5
Calorie Calculator
Determine your daily calorie needs based on activity level and goals
Calculate Calories
10,234 users
4.6/5
Body Composition Calculators
BMI Calculator
Body Mass Index calculator to assess weight category
Body Fat Calculator
Estimate body fat percentage using various methods
Ideal Weight Calculator
Determine your healthy weight range based on height
Waist-to-Height Ratio
Calculate WHtR to assess abdominal obesity
Body Shape Calculator
Determine your body shape (apple, pear, hourglass)
Lean Body Mass Calculator
Calculate your muscle mass and lean tissue
Nutrition & Metabolism
BMR Calculator
Basal Metabolic Rate – calories burned at rest
Calorie Calculator
Daily calorie needs based on activity level
Macronutrient Calculator
Calculate optimal protein, carbs & fat intake
TDEE Calculator
Total Daily Energy Expenditure calculator
Water Intake Calculator
Calculate your daily hydration needs
Alcohol Unit Calculator
Track your alcohol consumption
Cardiovascular Health
Target Heart Rate Calculator
Determine your optimal exercise heart rate
Blood Pressure Calculator
Assess your blood pressure readings
Cholesterol Ratio Calculator
Calculate your total cholesterol to HDL ratio
Cardiovascular Risk Calculator
Assess your risk of heart disease
VO2 Max Calculator
Estimate your maximal oxygen consumption
Heart Age Calculator
Determine your heart’s biological age
Pregnancy & Fertility
Due Date Calculator
Calculate your estimated delivery date
Pregnancy Weight Gain
Healthy weight gain during pregnancy
Ovulation Calculator
Predict your most fertile days
Fertility Window Calculator
Determine your optimal conception days
Child Growth Percentile
Track your child’s growth progress
Postpartum Recovery Calculator
Plan your postpartum recovery timeline
Medical Calculators
Dosage Calculator
Calculate medication dosages
GFR Calculator
Glomerular Filtration Rate for kidney function
BMI Percentile for Children
BMI calculation for children and teens
Anion Gap Calculator
For metabolic acidosis evaluation
Corrected Calcium Calculator
Adjust calcium levels for albumin
APGAR Score Calculator
Newborn health assessment tool
## Why Use Our Health Calculators?
Our medical-grade health calculators help you:
– Track fitness progress accurately
– Plan personalized diet regimens
– Understand key health metrics
– Monitor heart health risks
– Calculate nutritional needs scientifically
Used by nutritionists and healthcare professionals worldwide.