Health Calculators
Free health calculators for BMI, calorie burn estimation, target heart rate zones, and medication dosing. Evidence-based formulas with results shown instantly.
BMI Calculator
Calculate Body Mass Index from height and weight. Includes BMI categories, healthy weight range, and BMI Prime score. Supports imperial and metric units.
Calorie Burn Calculator
Estimate calories burned during exercise based on activity type, duration, and body weight using MET values from the Compendium of Physical Activities.
Heart Rate Calculator
Calculate target heart rate zones for exercise using the Karvonen method. Find fat burn, cardio, and peak training zones from age and resting heart rate.
Dosage Calculator
Calculate medication dosage by body weight. Enter weight, dose per kg, and concentration to get the precise volume needed.
Disclaimer: Health calculators provide estimates using standard formulas. Results are for informational purposes only and do not constitute medical advice. Consult a healthcare professional for medical decisions.