BMI Calculator

Calculate body mass index with local overrides.

Height (inches)

Weight (lbs)

Calculated Body Mass Index:23.6 Normal

Severe Thinness

Moderate Thinness

Mild Thinness

Normal

Overweight

Obese Class I

Obese Class II

Obese Class III

Normal

A BMI between 18.5 and 25 is considered normal and healthy.

How this is calculated

Body Mass Index is weight (kg) divided by height (m) squared, with the standard WHO adult categories. We also show BMI Prime (BMI ÷ 25) — values over 1.0 are above the healthy range.