Body Mass Index (BMI) calculator
For a rough calculation of your Body Mass Index please enter your height and weight:
BMI is a measure of weight adjusted for height. A large number of research studies have demonstrated that:
If your BMI is below 20:
This indicates a lean BMI, which means you have a low amount of body fat. If you are an athlete, this can be desirable. If you are not an athlete, a lean BMI can indicate that your weight may be too low which may lower your immunity. If your BMI and body weight are low, you should consider gaining weight through good diet and exercise habits, to increase your muscle mass.
If your BMI is between 20 and 22:
This indicates the ideal, healthy amount of body fat, which is associated with living longest and the lowest incidence of serious illness. Coincidentally, it seems this ratio is what many individuals perceive to be the most aesthetically attractive.
If your BMI is between 22 and 25:
This is still considered an acceptable range, and is associated with good health.
If your BMI is between 25 and 30:
You are considered "hefty" and should finds ways to lower your weight through diet and exercise. You are at increased risk for a variety of illnesses at your present weight. You should lose weight by changing your diet and exercising more.
If your BMI is over 30:
This indicates an unhealthy condition, and you are at risk for heart disease, diabetes, high blood pressure, gall bladder disease and some cancers. You should lose weight by changing your diet and exercising more.
Since the risk of heart disease, diabetes and high blood pressure begins to climb at a BMI of 22 or so, BMI's in the lower 20's are considered to be healthier.