1. Enter your height to the nearest inch.
2. Enter your weight to the nearest pound (nobody sees the results so be honest)
3. Click the 'Calculate My BMI' button with your mouse
Your body mass index (BMI) is an indicator of your total body fat, which is related to your risk of developing or dying from a weight related disease. While there are some limitations with BMI calculators, they do provide you with an idea of how overweight you may be.