BMI Calculator
Calculate your Body Mass Index (BMI) to determine if you are at a healthy weight.
Σ The Formula
Real World Examples
# About This Calculator
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 ($kg/m^2$). While BMI is a useful population-level measure, it is a proxy for body fatness—not a direct measure. It does not account for muscle mass, bone density, or overall body composition.
How To Use
- Choose your preferred units (**Metric** or **Imperial**).
- Enter your **Weight** and **Height**.
- Click **Calculate BMI**.
- Check the color-coded result to see which category you fall into.
Frequently Asked Questions
Is BMI accurate for athletes?+
What is a healthy BMI?+
Is BMI Calculator free to use?+
How accurate is BMI Calculator?+
Can I use BMI Calculator on my phone?+
Do you save my data?+
About
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 ($kg/m^2$). While BMI is a useful population-level measure, it is a proxy for body fatness—not a direct measure. It does not account for muscle mass, bone density, or overall body composition.