basic

Pediatric Weight Calculator

Estimated child weight by age (APLS rule).

Estimate the average weight of a child by age in years using the APLS formula, useful for emergency dose estimation when no scale is available.

Priya Venkatesan By Priya Venkatesan
Published Last reviewed 1 min read

Inputs

yrs

Results

Enter values and click Calculate to see results.
Was this helpful?

How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

1–5 yrs: (2·age) + 8. 6–12 yrs: (3·age) + 7.

In depth

Estimate the average weight of a child by age in years using the APLS formula, useful for emergency dose estimation when no scale is available.