BMI Calculator - Body Mass Index Calculator

Calculate your Body Mass Index (BMI) and determine your health category with support for both metric (kg/cm) and imperial (lbs/ft) units. Get instant results with health recommendations.

BMI Calculator

Unit System

Choose between metric or imperial measurement units

Weight (kg)

Height (cm)

Age (optional)

Gender (optional)

BMI Categories

< 18.5

Underweight

18.5 - 24.9

Normal Weight

25 - 29.9

Overweight

≥ 30

Obese

About BMI

Body Mass Index (BMI) is a screening tool that measures body fat based on height and weight. It's widely used by healthcare professionals to assess weight status.

Formula: BMI = weight (kg) / height² (m)
Note: BMI is a screening tool and should not replace professional medical advice.

BMI Calculator

BMI Result: