BMI Calculator
Check your body mass index in metric or imperial units.
Body mass index (BMI) compares your weight to your height.
About BMI Calculator
Calculate body mass index (BMI) from your weight and height in kilograms and centimetres or pounds, feet and inches. See your BMI category on a colour scale and the healthy weight range for your height. A general screening guide, not medical advice.
Body mass index (BMI) compares your weight to your height. This calculator works in metric or imperial units, places your result on a colour scale and shows the weight range that corresponds to a BMI of 18.5 to 24.9 for your height. It is a general screening guide for adults, not a diagnosis.
How to use BMI Calculator
- Choose metric (kg, cm) or imperial (lb, feet and inches).
- Enter your weight and height.
- Read your BMI, the category and the healthy weight range for your height.
Key features
- Metric and imperial units.
- Colour scale showing where your BMI falls.
- Healthy weight range for your height.
Common use cases
- Getting a quick, general idea of a healthy weight range.
- Tracking changes over time alongside advice from a professional.
Frequently asked questions
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