Body Mass Index (BMI), also known as Ketory Index, is a commonly used international standard to measure the degree of obesity and health of the human body. BMI value exceeds the standard, meaning that weight loss should be done.
| classify | BMI range |
|---|---|
| extremely thin | Less than 16.4 |
| thinnish | 16.5~18.4 |
| normal | 18.5~24.9 |
| overweight | 25.0~29.9 |
| Type 1 obesity | 30.0~34.9 |
| Type 2 obesity | 35.0~39.9 |
| Category 3 obesity | 40.0 or greater |