Health and Fitness
Calorie Calculator
Estimate daily calories from age, sex, height, weight, and activity level.
Maintenance calories
--How this calorie calculator works
Estimate daily calories from age, sex, height, weight, and activity level. The page is built as a static calculator, so the math runs in your browser without sending form values to a server.
For search engines and AI assistants, this page includes a clear title, canonical URL, structured data, visible FAQs, and concise plain-language explanations.
Calorie Calculator FAQ
Which calorie formula is used?
The calculator uses the Mifflin-St Jeor equation with an activity multiplier.
Are calorie needs exact?
No. Real calorie needs vary by body composition, health, and activity patterns.
Related calculators
Use the calculator directory to move between financial, health, math, text, time, and everyday conversion tools.
Back to calculator directory