How is BMI calculated?

BMI is weight in kilograms divided by height in metres squared. This tool does the conversion and division for you.

Is BMI a medical diagnosis?

No. It is a screening measure. Talk to a healthcare provider for an assessment that accounts for your individual health.

Is my data sent anywhere?

No. The calculation happens entirely in your browser.

BMI Calculator

Body mass index gives a quick screening number from height and weight. Enter both, and this tool returns your BMI and where it falls on the standard reference range. It is a screening tool, not a diagnosis.

Height (cm)

Weight (kg)

📊 BMI Reference (Asia-Pacific)

18.5 underUnderweight

18.5 - 22.9Normal

23 - 24.9Overweight

25 - 29.9Obese Class I

30 - 34.9Obese Class II

35 or moreExtremely Obese

* BMI is for reference only. Consult a professional for accurate health status.

How to use

Enter your height.
Enter your weight.
Read your BMI and where it falls on the reference range.

Frequently asked questions

How is BMI calculated?: BMI is weight in kilograms divided by height in metres squared. This tool does the conversion and division for you.
Is BMI a medical diagnosis?: No. It is a screening measure. Talk to a healthcare provider for an assessment that accounts for your individual health.
Is my data sent anywhere?: No. The calculation happens entirely in your browser.

Privacy

Your height and weight are calculated in your browser and are never sent to a server.