How to work out your BMI (Body Mass Index):
BMI = weight/ (kg) : height (m)²
| Average BMI categories: | BMI for men | BMI for women |
|---|---|---|
| underweight | below 20 | below 19 |
| normal weight | 20-25 | 19-24 |
| overweight | 26-30 | 25-30 |
| obese | 31-40 | 31-40 |
| extremely obese | over 40 | over 40 |
Ideal BMI for different age groups:
| age | ideal BMI |
|---|---|
| 19-24 | 19-24 |
| 25-34 | 20-25 |
| 35-44 | 21-26 |
| 45-54 | 22-27 |
| 55-64 | 23-28 |
| older than 65 | 24-29 |
