BMI Calculator

Check your BMI and healthy weight range.

Enter your weight and height to see your BMI.

BMI is a rough guide for adults. It does not measure body fat, and it can be misleading for athletes, older people, and people who are pregnant. Some health bodies use lower cut-offs for South Asian adults. Talk to a doctor about your own health. This is not medical advice.

Your measurements

Calculated in your browser. Your numbers are not sent or saved.
Guide

How to calculate BMI

1

Choose your units

kg and cm, or lb and feet with inches.

2

Enter weight and height

The result appears as you type.

3

Read the range

See your BMI group and the weight range that is healthy for your height.

Frequently asked questions

What is a healthy BMI?

For adults, 18.5 to 24.9 is the usual healthy range.

Is BMI accurate?

It is only a rough guide. It does not measure body fat and can mislead for athletes, older people and people who are pregnant.

Does it apply to children?

No. Children use age-based charts. Ask a doctor.

Is my data saved?

No. Your numbers stay in your browser and are not sent anywhere.

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