Resources

BMI (Body Mass Index) – Normal ranges for children and adolescents between 1-18 years

By Dr. M.Vijayalakshmi, M.D(Peds), M.D(USA), FAAP, DAA

Please use the calculator at  //www.allforkidsindia.com/allforkids/BMI/BMICALC.aspx  to calculate your child’s BMI

Normal BMI ranges for children and adolescents between 1-18 Years are listed below.

BMI Normal for Girls BMI Normal for Boys
1-2 Years 14.5-18 1-2 Years 14.5-18
2-3 Years 14-17 2-3 Years 14-17.5
3-4 Years 14-17 3-4 Years 14-17
4-5 Years 13.5-17 4-5 Years 14-17
5-6 Years 13.5-17 5-6 Years 13.5-17
6-7 Years 13.5-17.5 6-7 Years 13.5-17.5
7-8 Years 13.5-18 7-8 Years 14-18
8-9 Years 13.5-19 8-9 Years 14-18.5
9-10 Years 14-20 9-10 Years 14-19.5
10-11 Years 14.5-21 10-11 Years 14.5-20
11-12 Years 15-21.5 11-12 Years 15-21
12-13 Years 15-22.5 12-13 Years 15.5-22
13-14 Years 16-23 13-14 Years 16-22.5
14-15 Years 16-24 14-15 Years 16.5-23.5
15-16 Years 16.5-24.5 15-16 Years 17-24
16-17 Years 17-24.5 16-17 Years 17.5-24.5
17-18 Years 17.5-25 17-18 Years 18-25