calcmeds

BMI Calculator

BMI (Body Mass Index) Categories

Category

BMI Range (kg/m²)

Description

UnderweightLess than 18.5Body weight is below the healthy range.
Normal Weight18.5 – 24.9Healthy and balanced body weight.
Overweight25.0 – 29.9Higher than normal weight; may increase health risks.
Obese (Class I)30.0 – 34.9Moderate obesity; increased risk of heart disease and diabetes.
Obese (Class II)35.0 – 39.9Severe obesity; significant health risk.
Obese (Class III)** (Morbid Obesity)**40.0 and aboveVery high health risk; medical supervision advised.