About Calcoras Health
Calcoras Health is a free collection of fast, accurate health and fitness calculators built to help you understand your body and reach your goals — from daily calories and macros to BMI, body fat and more.
Every tool runs instantly in your browser, works in metric or imperial units, and never requires a sign-up. We use well-established formulas like Mifflin-St Jeor and the U.S. Navy method.
Important
Our calculators are for general educational purposes and are not medical advice. Always consult a qualified healthcare professional for decisions about your health.
How we keep it free
We may show ads and occasionally include affiliate links. This never changes a calculator's result. Questions? Visit our contact page.