What is the average bmi for a 13 year girl

The average BMI for an 8-year-old boy is By the age of 12, the average BMI for both girls and boys is Because teenagers are still going through puberty and growing, they can be healthy even if their BMI falls a bit outside what's considered healthy for an adult. The average BMI for a year-old boy is By the age of 18, the average BMI for a boy is The healthy range is For adults, the healthy BMI range is from The average BMI for women age 20 and older is Women 80 years and older have the lowest average BMI, at Any one measurement, taken out of context, can give you the wrong impression of your child's growth.

If you're concerned that your child may be gaining or losing weight too fast, talk to your doctor. Reviewed by: Mary L. Gavin, MD. Larger text size Large text size Regular text size.

What Is BMI? A BMI between 25 to Anything over 30 is considered obese. Normal BMI is between BMI cut-offs for people of South Asian descent are different. And a person with a small frame may have a normal BMI but still can have too much body fat. Also, it's common for teens to gain weight quickly — and see their BMI go up — during puberty. Your doctor can help you figure out whether this weight gain is a normal part of development or whether it's something to be concerned about.

It's important to look at BMI as a trend instead of focusing on individual numbers. Any one measurement, taken out of context, can give you the wrong impression of your growth.