Work out your Body Mass Index and the healthy weight range for your height.
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Height in
Cut-offs
How to use the BMI calculator
1Type your heightIn centimetres, or feet and inches.
2Type your weightIn kilograms.
3See your BMIWith the category and healthy range for your height.
Questions people ask
What is a healthy BMI?
For adults, the WHO range is 18.5 to 24.9. For South Asian adults many doctors use 18.5 to 22.9, because health risks start at a lower BMI.
Is BMI accurate?
It is a quick screening number only. It doesn’t tell muscle from fat and isn’t meant for children, pregnant women or athletes. A doctor can tell you what is right for you.
How is BMI calculated?
BMI = weight in kg ÷ (height in metres × height in metres).