BMI chart (WHO, adults)
| below 18.5 | Underweight |
| 18.5 – 24.9 | Normal weight |
| 25 – 29.9 | Overweight |
| 30 – 34.9 | Obesity class I |
| 35 – 39.9 | Obesity class II |
| 40 and above | Obesity class III |
BMI is a rough guide and does not replace medical advice.
⚖️
BMI Calculator
Enter height and weight to see your body mass index and the WHO category.
FAQ
How is BMI calculated?
BMI = weight in kg ÷ (height in m)². For 75 kg and 1.80 m: 75 ÷ 3.24 = 23.1.
What is a normal BMI?
For adults the WHO defines 18.5 to 24.9 as normal weight. BMI does not account for muscle mass or body build.