Body Mass Index (BMI) Calculator

Enter your height and weight below to find your body mass index (BMI).This number is commonly used to judge whether your weight is healthy—or whether extra weight increases your risk for health problems, such as cancer.

A doctor can further assess your personal risk for serious weight-related diseases by considering your BMI, waist size, and other measures of health such as blood sugar levels.

Even a small weight loss (10% of your current weight) lowers the risk of several diseases. People who are overweight or obese have a greater chance of developing certain cancers—including breast cancer for women over age 50—as well as high blood pressure, high blood cholesterol or other lipid disorders, diabetes, heart disease, and stroke.

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Nutrition and Activity Quiz

Except for quitting smoking, the best way to cut your risk of cancer is to achieve and maintain a healthy weight, to be physically active on a regular basis, and to make healthy food choices. The evidence for this is strong: Each year, about 550,000 Americans die of cancer; fully one-third of these deaths are linked to poor diet, physical inactivity, and carrying excess weight.

Are you living smart?

Check Yes or No next to each question, and see how you can keep living smart!

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