Ration and Proportion

Dosage & Calculations and Safe Medication Administration 2.0 - Ratio and Proportions Method

Minimize the challenge of clinical math to improve your confidence and proficiency by using a systematic approach to medical calculations with the Dosage Calculation and Safe Medication Administration 2.0 online tutorial.



11 Modules/  30 hours/602 Q & A


Reason and problem solve while working through in-depth tutorials and real-life scenarios at your own pace. By pairing easy-to-use and easy-to-understand programs with classroom content, you gain the understanding and practice necessary to boost your confidence in medical calculations and in nursing proficiency.


Interactive drills, embedded videos, and new case studies enrich real-life scenarios, providing valuable experience for building competence to administer drugs safely. Mathematical equations are simplified through step-by-step animations that demonstrate the dosage calculation process.


Ratio and Proportion method allows a nurse to calculate dosages by using the amount of medication prescribed and the dose available. For example, a client is prescribed haloperidol (Haldol) 1 mg PO BID and the dose available is 0.5 mg/tablet.  The desired amount is 1 mg, the dose available is 0.5 mg and the quantity available is 1 tablet. Use the following formula to calculate dosages using the Ratio and Proportion method.


Desired  x Quantity = Amount to be given
1mg x 1 tab = x tablets
0.5 mg

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