BMI Calculator
A BMI calculator (or body mass index calculator) is a tool that measures your body fat based on your height and weight. Calculating your BMI will help you determine if you’re underweight, a healthy weight, overweight or obese.
What is my BMI?
To find out your BMI, enter your height and weight into the calculator below.
BMI classifications
BMI Calculator
Your BMI measures your body fat based on your height and weight.
| Your Body Mass Index (BMI) | Classification | Your Health Risk |
| Under 18.5 | Underweight | Minimal |
| 18.5 - 24.9 | Normal weight | Minimal |
| 25 - 29.9 | Overweight | Increased |
| 30 - 34.9 | Obese | High |
| 35 - 39.9 | Severely Obese | Very high |
| 40 and over | Morbidly Obese | Extremely high |
If your BMI is 35 or over, you may be a candidate for surgical weight loss
If you want to lose weight and your BMI is under 35, you may want to explore non-surgical weight loss options.