Their BMI might say they are overweight or obese when really their weight is made up of muscle instead of fat. Based on the ...

parents who plot the calculator results should watch for significant 'drifting', either up or down, in their child's BMI% over time. For example, a 62-pound, 50-inch tall, 8-year-old girl has a BMI of ...

The charts below show how the BMI obesity threshold changes with age for boys and girls. Threshold BMI levels initially equal about 20, approaching the obesity level of 30 found in adulthood. Also ...