Standardized Height and Weight Calculator

With input of child's gender, age (in months or by birthdate and evaluation date), and measurement (in cm for height and kg for weight), this calculator displays the gender and age specific percentile and Z-score of the measurement. The calculation follows that used by the National Health and Nutrition Examination Survey (NHANES)**.

Note: Users should use CLEAR FORM button before each calculation to ensure accuracy.

Evaluation date (or enter prior date (mm/dd/yyyy)): 
Enter: Either date of birth (mm/dd/yyyy): 
Or age in months (0 - 240 mos.): 
Select Sex:  Male Female 

Z-score Percentile (%)
Input Height (cm): 
Input Weight (kg): 


**See CDC Growth Chart Infomation as revised on June 8, 2000.