BMI Calculator
Calculate your Body Mass Index (BMI) using US or Metric units. Includes category breakdowns and healthy weight ranges.
Weight in pounds (e.g., 160 lbs).
Enter height in centimeters (e.g., 178 cm, not 1.78 m).
Did you enter meters?
We calculate in centimeters. We will auto-convert your input to cm for correct mathematical output.
Weight in kilograms (e.g., 72 kg).
Your Body Mass Index
Standardized Index
WHO Guidelines Verified
⚠️ BMI Sanity Check Warning
Your calculated BMI is in an extreme clinical range (). Please verify that your weight and height inputs are correct (e.g., ensure centimeters were not confused with meters, or pounds with kilograms).
Enter height & weight to calculate your BMI