BMI Calculator User Guide
Body Mass Index (BMI) is a value calculated from a person's weight and height. It is an internationally used standard to measure whether a person has a healthy body weight.
BMI Formula:
BMI = weight ÷ height²
(Weight in kilograms; Height in meters)
BMI Classification (WHO Standard):
| Classification | BMI Range |
|---|---|
| Underweight | <18.5 |
| Normal | 18.5～24.9 |
| Overweight | 25～29.9 |
| Obese | 30～34.9 |
| Severely Obese | ≥35 |
Use this calculator to understand your Body Mass Index, scientifically assess your weight health status, and provide a reference for health management.
