A child or teen who is at the 95th percentile or above is considered overweight.Īsk your family doctor, pediatrician, or other health care provider about your child’s BMI-for-age. A child or teen who is between the 85th and 95th percentile on the growth chart is considered at risk of overweight. Because teens are still growing, and boys and girls develop at different rates, BMIs for children 2 to 20 years old are determined by comparing their weight and height against growth charts that take their age and gender into account.Ī child or teen’s “BMI-for-age” shows how his or her BMI compares with other boys or girls of the same age. Use a BMI calculator for adults and learn your BMI by entering your height and weight.įor Teens: overweight is defined differently than it is for adults. Big athletes with lots of muscle might have a BMI over 30.0 but would not be considered obese from the perspective of health risk. People who are obese almost always have a large amount of body fat in relation to their height. BMI is a widely used measure to find out whether youre a healthy weight for your height. People who are overweight might have too much body weight for their height. Use this simple tool to calculate your body mass index (BMI). To get the best results, measure to the nearest 1/4 inch (0.5 cm). Use the 'Metric Units' tab if you are more comfortable with the International System of Units (SI). For most adults, an ideal BMI is in the 18.5 to 24.9 range. The BMI calculation divides an adults weight in kilograms by their height in metres squared. This ratio of weight to height is known as the body mass index (BMI). The Body Fat Calculator can be used to estimate your total body fat based on specific measurements. The body mass index (BMI) is a measure that uses your height and weight to work out if your weight is healthy. Body Mass Index (BMI) What is my “BMI” and What Does it Mean to Me?Ī healthy weight is defined as the appropriate weight in relation to height.