BMI Calculator

Calculate Body Mass Index.

Height Unit

Centimeters Feet / Inches

Height (cm)

Weight Unit

Kilograms Pounds

Weight

Frequently Asked Questions

How is BMI calculated?+

BMI = weight (kg) / height (m)². The result is compared against standard weight category ranges.

What are the BMI categories?+

Below 18.5 is Underweight, 18.5-24.9 is Normal, 25-29.9 is Overweight, and 30 or above is Obese.