BMI & Calorie Calculator
Calculate your Body Mass Index and daily calorie needs based on your activity level.
Enter your height and weight to calculate BMI
About this tool
Calculate your Body Mass Index (BMI) using metric or imperial units, and find your WHO weight category. Also estimate your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) using the Mifflin-St Jeor equation, with suggested calorie targets for weight loss or gain.
Key Features
- ✓ BMI with cm/ft/in and kg/lb units
- ✓ WHO BMI category
- ✓ BMR/TDEE via Mifflin-St Jeor
- ✓ 5 activity levels
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