Table 1
Summary of weight based formulae
Method
Age group
Formula
Argall3
1–10 years
Weight (kg) = (age+2)×3
APLS1
1–10 years
Weight (kg) = (age+4)×2
Best Guess4
1–4 years
Weight (kg) = (age×2)+10
5–14 years
Weight (kg) = age×4