How to use the pediatric dose calculator
Estimate a child dose from the adult dose and the child age using Young rule. Enter child age, adult dose in the fields above; the child dose (young rule) is computed instantly and plotted on the chart so you can see how the answer changes.
Common searches this calculator answers include “Young rule dosing”, “child dose from adult dose”, “pediatric dosage age”, “calculate pediatric dose”, “find child dose”.
Formula
Variables
- age — Child age (years)
- adult — Adult dose (mg)
Worked example
With child age = 6 years, adult dose = 500 mg, the calculator gives child dose (young rule) ≈ 166.6667 mg.
Frequently asked questions
What is the pediatric dose calculator used for?
Estimate a child dose from the adult dose and the child age using Young rule. It helps with questions such as “Young rule dosing”, “child dose from adult dose”, “pediatric dosage age”.
What is the formula for the pediatric dose calculation?
Child dose (Young rule) (mg) = adult × age / (age+12). Here age is child age (years), adult is adult dose (mg).
What inputs do I need for the pediatric dose (young rule) calculator?
You need child age in years, adult dose in mg. Each field is pre-filled with a typical example so you can see how the result responds as you edit the numbers.
How do I use the pediatric dose calculator?
Type values into the input fields. Results and the chart update instantly. Use Reset to restore the example values, Copy results to paste them elsewhere, or Share to copy a link that preserves your inputs.
Is the pediatric dose result exact?
Calculations use standard formulas and double-precision arithmetic, then display about seven significant figures. Real-world measurements carry uncertainty, so treat results as estimates unless your inputs are exact.