The situation is more complex in children, where the BMI threshold of obesity varies with age and sex. The charts below show how the BMI obesity threshold changes with age for boys and girls.

Use this calculator to determine whether a child is at a healthy weight for his/her height, age and sex. The BMI-percentile-for-age calculator automatically adjusts for differences in height, age and ...

BMI charts are calculated for adults only (separate charts are available for children’s weight and heights). Inaccuracies can also occur if you're an athlete or very muscular as this can give ...

Ideal BMI Chart Ranges in Women The BMI chart is not a one-size-fits-all measure for all women, as the differences in ...