CDC Reference for 1.5 to 20 years

Uses the 2000 CDC Reference for triceps skinfold-for-age and subscapular skinfold-for-age, to report percentiles and Z-scores on children from 1.5 to 20 years of age.

Citing: If you use PediTools for a publication or clinical guideline, please consider citing: Chou JH et al., J Med Internet Res 2020;22(1):e16204 (available open access [PDF])




From 1.5 to 20 years
Male Female
Age (months)
OR Date of birth
and Date of measure
Triceps skinfold (mm)
Subscapular skinfold (mm)

Tips and Tricks

  • Valid ages from 1.5 to 20 years
  • Age: months assumed. To enter years and months, enter #y #m; e.g., 4y 5m
  • Triceps skinfolds: mm assumed. To enter inches, enter #"; e.g., 1" for 1 inch
  • Subscapular skinfolds: mm assumed. To enter inches, enter #"; e.g., 1" for 1 inch

Based on