Free Health Calculators

Why Use Our Calculators?

100% Free

No subscriptions, no hidden fees

Privacy Focused

All calculations happen in your browser

Medical Accuracy

Based on WHO and NIH standards

BMI Calculator

Check your Body Mass Index to understand your weight category

Calorie Calculator

Estimate your daily calorie needs for maintenance or weight loss

Water Intake Calculator

Calculate your recommended daily water consumption

About Our Calculators

All our health tools are developed using medically-reviewed formulas from reputable sources including the World Health Organization (WHO) and National Institutes of Health (NIH). While these calculators provide useful estimates, they are not substitutes for professional medical advice.

How We're Different