BMI calculator
Calculate your body mass index (BMI) from your weight and height and see the standard adult category.
How to use it
- Enter your weight in kilograms.
- Enter your height in centimetres, or in feet and inches.
- See your BMI and category.
Questions
What are the categories?
Below 18.5 is underweight, 18.5 to 24.9 normal, 25 to 29.9 overweight and 30 or more obese, following the WHO adult ranges.
Is BMI a diagnosis?
No. BMI is a rough screening measure that does not account for muscle, age or body shape. Talk to a doctor about your health.
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