Registered Nurse (RN)
NCLEX-RN® Test Plan: Client Needs
Dosage Calculation

Ace Your NCLEX-RN® Test Plan: Client Needs Classes and Exams with Picmonic: #1 Visual Mnemonic Study Tool for Registered Nurse (RN) Students

With Picmonic, facts become pictures. We've taken what the science shows - image mnemonics work - but we've boosted the effectiveness by building and associating memorable characters, interesting audio stories, and built-in quizzing. Whether you're studying for your classes or getting ready for a big exam, we're here to help.

get premium

NCLEX-RN® Test Plan: Client Needs | Registered Nurse (RN) School Study Aid

Dosage Calculation
8 Picmonics to Learn | 17 mins
Standard Formula
Memorize the Formula
Dose Ordered
Dose on Hand
Amount on Hand (Quantity)
Before Calculating the Dose
Ensure Same Units and System of Measurement
Calculating the Dose
Dose Ordered/Dose on Hand X Amount on Hand = Amount to Administer
picmonic thumbnail
2 mins
IV Calculation Formulas
Drop Factor
Total Volume to Infuse (mL) X Drop Factor/ Time in Minutes = Drops/Minute (gtt/min)
Total Volume to Infuse / mL per Hour Being Infused = Infusion Time
Number of mL/Hr
Total Volume in mL / Time in Hours = Number of mL per Hour
picmonic thumbnail
3 mins
Infusions Prescribed by Unit Dosage per Hour
Step 1
Determine Amount of Medication per 1mL
Known Amount of Medication in Solution/Total Volume of Diluent = Amount of Medication per Milliliter
Step 2
Calculate mL per Hour
Dose per Hour Desired/Concentration per Milliliter = Infusion Rate (mL/hour)
picmonic thumbnail
2 mins
Metric System
Kilogram (kg)
Gram (g/gm)
Milligram (mg)
Microgram (mcg)
Liter (L)
Milliliter (mL)
Meter (m)
Larger to Smaller: Multiply
Smaller to Larger: Divide
picmonic thumbnail
3 mins
Ratio and Proportion
Two Numbers Separated by a Colon
Colon Indicates Division
Equation with Two Equal Ratios
Double Colons Indicates Equal Sign
Calculating the Dose
Set up the Proportion
Cross-Multiply Means and Extremes
Divide Both Sides by the Number Before Unknown Variable
picmonic thumbnail
3 mins
Conversions: Weight
1000 mcg = 1 mg
1000 mg = 1 g
1000 g = 1 kg
2.2 lb = 1 kg
picmonic thumbnail
1 min
Conversions: Volume
1 mL = 1 cc
5 mL = 1 Tsp
15 mL = 1 Tbsp
30 mL = 1 oz
1000 mL = 1L
2 Tbsp = 1 oz
8 oz = 1 Cup
picmonic thumbnail
2 mins
Conversions: Temperature
0° C = 32° F
How to Convert Celsius to Fahrenheit
°C x 1.8 + 32 = °F
picmonic thumbnail
1 min

Ace Your Registered Nurse (RN) Classes & Exams with Picmonic:

Over 1,890,000 students use Picmonic’s picture mnemonics to improve knowledge, retention, and exam performance.

Choose the #1 Registered Nurse (RN) student study app.

Picmonic for Registered Nurse (RN) covers information that is relevant to your entire Registered Nurse (RN) education. Whether you’re studying for your classes or getting ready to conquer your NCLEX®-RN, Hesi, ATI, TEAS test, Kaplan exams, we’re here to help.

Works better than traditional Registered Nurse (RN) flashcards.

Research shows that students who use Picmonic see a 331% improvement in memory retention and a 50% improvement in test scores.

It's worth every penny