BMR & Calorie Calculator
Calculator ToolsDaily calories to maintain, lose or gain weight
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History
All history →BMR & Calorie Calculator — at a glance
Estimate your basal metabolic rate (BMR) and daily calorie needs for your activity level using the Mifflin-St Jeor equation.
How to use it — step by step
Gender, age, height, weight and activity level.
Enter your values
Fill in the boxes. Sample values are already there so you can see how it works.
Calculate
Press the button to get your answer instantly.
Read the result
The main answer is shown in a large card with extra details below it.
Copy it
Use the copy button to save the result anywhere.
Pro tips
Small things that make the result better.
Quick facts
Frequently Asked Questions
How accurate is it?+
It is a good estimate for most adults, but real needs vary with muscle mass, genes and health.
Is my data safe?+
Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.
Is this tool really free?+
Yes — completely free, no signup, no watermark and no usage limit.