Health Calculators
Interactive tools to help you understand your health metrics. All calculators use evidence-based formulas and population benchmarks from CDC NHANES.
Available Calculators
TDEE & Macro Calculator
Calculate your Total Daily Energy Expenditure and optimal macro split. Get precise protein, carbs, and fat targets for cutting, maintaining, or bulking.
Open Calculator →❤️PopularTarget Heart Rate Zones
Calculate your 5 training heart rate zones for fat burning, cardio, and peak performance. Based on the Karvonen formula.
Open Calculator →🎯PopularIdeal Body Weight
Calculate your ideal body weight using 4 clinically-validated formulas (Miller, Devine, Robinson, Hamwi). Adjusts for frame size.
Open Calculator →📏PopularBody Fat Percentage
Estimate your body fat percentage using the US Navy method. Simple circumference measurements with visual measurement guides.
Open Calculator →👶PopularBaby Growth Calculator
Track your baby's growth using WHO Child Growth Standards. Calculate weight, length, and head circumference percentiles for children 0-24 months.
Open Calculator →📊PopularPercentile Calculator
See where your measurements fall compared to the population. Calculate percentiles for height, weight, BMI, blood pressure, and more.
Open Calculator →⚖️PopularBMI Calculator
Calculate your Body Mass Index (BMI) and see your weight category. Includes healthy weight range calculator.
Open Calculator →🫀Coming SoonCardiovascular Risk
Estimate your 10-year cardiovascular disease risk using the ASCVD risk calculator.
About Our Calculators
📊 Population Data
Our percentile calculations use data from CDC NHANES, representing the US adult population.
🔬 Evidence-Based
All formulas are based on peer-reviewed research and clinical guidelines from medical organizations.
⚠️ Screening Tools
These calculators are for informational purposes. Consult a healthcare provider for medical advice.