BMI Calculator
Use this calculator to check your Body Mass Index (BMI) and find out if you are at a healthy weight.
BMI Calculator
Calculate your Body Mass Index
What is BMI?
Body Mass Index (BMI) is a simple index of weight-for-height that is commonly used to classify underweight, overweight, and obesity in adults. It is defined as the weight in kilograms divided by the square of the height in meters (kg/m²).
BMI Categories
- Underweight: Underweight: BMI less than 18.5
- Normal weight: Normal weight: BMI 18.5 to 24.9
- Overweight: Overweight: BMI 25 to 29.9
- Obese: Obesity: BMI 30 or greater