This pediatric dose reference table shows the estimated child dose (clark's rule) for a range of adult dose values, assuming a child's weight of 20 kg. Every figure is computed with the same engine that powers our Pediatric Dose Calculator, so the numbers are exact.
| Adult dose | Estimated child dose (Clark's rule) |
|---|---|
| 130 mg | 37.1 |
| 250 mg | 71.4 |
| 380 mg | 108.6 |
| 500 mg | 142.9 |
| 750 mg | 214.3 |
| 1,000 mg | 285.7 |
| 1,500 mg | 428.6 |
| 2,500 mg | 714.3 |
| 3,500 mg | 1,000.0 |
| 5,000 mg | 1,428.6 |
How to use this table
Find the row closest to your adult dose and read across to the estimated child dose (clark's rule). For a value between two rows, the real figure sits between them — or enter your exact numbers in the Pediatric Dose Calculator for a precise answer.
Need a value that is not in the table? — the Pediatric Dose Calculator does it instantly, for free, with the formula and a worked example built in.
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