Body Mass Index (BMI) Calculator for Females and Males

Body Mass Index (BMI) is a number calculated from a person's weight and height. BMI provides a reliable indicator of body fatness for most people and is used to screen for weight categories that may lead to health problems.

People with Body Mass Index (BMI):

  • Below 18.5 may be underweight.
  • Between 18.5 and 24.9 may be normal weight.
  • Between 25.0 and 29.9 may be overweight.
  • Above 30.0 may be obese.

Body Mass Index (BMI) Calculator

First, choose the measurement system you're most familiar with. Then just enter your Height and Weight below and it will auto-calculate your body mass index (BMI).

Choose your Measurement System:
Imperial (lbs/in)   Metric (kg/m)
Weight (pounds)  
Height (inches)  
    1 foot = 12 inches
Body Mass Index (lbs/inches²)  

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