What do the BMI categories mean?

Under 18.5 is underweight, 18.5–24.9 is a typical range, 25–29.9 is above typical range, and 30+ is in the obese range — BMI is a general screening measure, not a diagnosis.

BMI Calculator

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Calculate your Body Mass Index from height and weight, in metric or imperial units.

Height (cm)

Weight (kg)

Your BMI

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What you can do with this tool

Calculate BMI from height in cm and weight in kg
Calculate BMI from height in feet/inches and weight in lbs

Frequently asked questions

What do the BMI categories mean?: Under 18.5 is underweight, 18.5–24.9 is a typical range, 25–29.9 is above typical range, and 30+ is in the obese range — BMI is a general screening measure, not a diagnosis.

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