Clark's Rule Calculator
Result
Calculated result
0.1466666667
Based on the values entered.
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Clark's Rule Calculator — free online calculator.
Formula
Child dose = adult dose × (weight in lb / 150)
- Clark's Rule Calculator calculates its result from Adult Dose, Weight In Lb. It uses the formula Child dose = adult dose × (weight in lb / 150). Change any input to recalculate the result instantly. This is an informational calculation and is not medical advice.
- The main inputs are Adult Dose, Weight In Lb. Enter them in the units and format shown in the calculator.
- Use the measurement units shown beside each field. The result is an estimate and should be interpreted in context.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: Clark's Rule
Inputs
- Adult Dose: 2
- Weight In Lb: 11
Using Adult Dose = 2, Weight In Lb = 11, the calculated result is 0.1466666667.
Sample result: Calculating…
Frequently asked questions
What does the Clark's Rule calculate?
Clark's Rule Calculator — free online calculator.
Which values should I enter?
Enter Adult Dose, Weight In Lb using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: Child dose = adult dose × (weight in lb / 150).
Why might my result differ from another source?
Results can differ because measurement methods, rounding and assumptions vary. This calculator is an estimate and is not a medical diagnosis.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.