A rough estimate of a child's weight can be made from age, but actual weight shows considerable variation.
Age
Weight in Kilograms
at birth
3.25
from 3-12 months
((age in months) + 9) / 2
from age 1-6 years
((age in years) * 2) + 8
from age 7 – 12 years
((age in years) * 7) - 5) / 2
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Purpose: To estimate a child's weight assuming normal development.
Objective: other testing
ICD-10: E40-E46, E66,
