BMI Calculator

Calculate your Body Mass Index (BMI) and see how your weight compares to the World Health Organization's adult BMI classification.

Last updated: 2026-08-10

Your Result

Result	What it means?
< 18.5	Underweight A BMI less than 18.5 indicates that you are underweight.
18.5 - 24.9	Normal weight A BMI between 18.5 and 24.9 indicates that you have a normal weight.
25.0 - 29.9	Overweight A BMI between 25.0 and 29.9 indicates that you are overweight.
> 30.0	Obese A BMI of 30.0 or higher indicates that you are obese.

BMI Formula

BMI = weight (kg) / height² (m²)

BMI is calculated as weight divided by height squared.

All inputs are converted to metric units for calculation.
BMI classifications are based on WHO guidelines.

This calculator provides an estimate of your BMI and should not be used as a diagnostic tool. Consult a healthcare professional for personalized advice.

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