Free Nursing Pharmacology Review Course – Calculations – Section 1.7
Real Life Pharmacology - Pharmacology Education for Health Care Professionals
Eric Christianson, PharmD; Pharmacology Expert and Clinical Pharmacist
4.9 • 773 Ratings
🗓️ 25 January 2026
⏱️ 38 minutes
🧾️ Download transcript
Summary
Medication calculations are a foundational nursing skill—and one of the most critical for patient safety. From weight-based dosing and IV drip rates to unit conversions and dose adjustments, small calculation errors can have serious consequences. In this episode, we’ll break down medication calculations in nursing pharmacology with a clear, practical approach focused on real clinical scenarios. Whether you’re building confidence, brushing up for exams, or double-checking bedside math, this discussion reinforces why accuracy, consistency, and critical thinking matter every time a medication is calculated.
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Transcript
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| 0:00.0 | I hope you enjoy this review and find it helpful in your studies. You can get full ad-free access to the Med-Ead-101 |
| 0:08.8 | Nursing Pharmacology Review course at Med-Ead-101.com slash nurse. Med-Ead 101's Nursing Pharmacology Review |
| 0:18.0 | course is built to make meds finally click. |
| 0:21.6 | You'll get nearly 20 hours of ad-free, on-demand video lessons, |
| 0:26.3 | downloadable slides you can study from, |
| 0:28.6 | over 40 cheat sheets and study guides, |
| 0:31.3 | and practice questions to assess what you know. |
| 0:34.9 | Whether you're preparing for exams or building real-world confidence, this |
| 0:39.4 | course is designed by pharmacology experts for nurses. Stop memorizing, start understanding |
| 0:45.8 | pharmacology at meded101.com slash nurse. Hello everyone. In this presentation, I'm going to cover common pharmacy calculations |
| 0:57.5 | in the use of math and pharmacy. So we can easily convert decimals into percentages and |
| 1:05.0 | percentages into decimals. So to go from a percentage, let's say you're given 50% to a decimal, you |
| 1:14.8 | simply divide by 100. And this moves the decimal point two places to the left. So when we've |
| 1:23.8 | got 50%, we divide by 100, we can move that decimal behind the 50, move it left, |
| 1:31.1 | twice, and we get 0.5. |
| 1:35.7 | Same thing, or a similar effect on the flip side, going from decimals to percentages, |
| 1:43.0 | we simply multiply by 100. |
| 1:47.8 | And we take, for example, 0.25, we move that decimal point, 2 places to the right, and we get 25%. |
| 1:58.2 | Okay? |
| 1:59.3 | So, multiplying by 100 to go from a decimal to a percentage, |
| 2:04.7 | dividing by 100 to go from a percentage to a decimal. |
| 2:12.2 | Ratios. |
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