PTCB Math Practice Test
Pharmacy calculations run through the PTCE outline, from days supply and doses to dilutions and IV rates. Every question here shows the full working, so you can see where an answer goes wrong.
90 questions in 1 hour 50 minutes, weighted to the four PTCE domains, with a score report by domain and a worked explanation for every answer.
Or try the free pharmacy calculations drillPotassium chloride oral solution contains 20 mEq per 15 mL. How many mL provide a 30 mEq dose?
What PTCB math covers
- Days supply and quantity
- Tablets, liquids, inhalers, insulin pens and eye drops, from the sig to the number dispensed.
- Doses and weight-based dosing
- mg/kg doses, pounds to kilograms, and how many milliliters deliver a dose.
- Concentrations and dilutions
- Percent strength (w/v), ratio strength, C1V1 = C2V2 and alligation.
- IV flow and drip rates
- mL per hour, drops per minute with a drop factor, and infusion time.
- Conversions and Roman numerals
- Metric and household units, temperature, and Roman numerals in sigs.
- Business math
- Markup, gross profit and simple pricing.
Practice under the real time limit
90 questions in 1 hour 50 minutes, weighted to the four PTCE domains, with a score report by domain and a worked explanation for every answer.
Or try the free pharmacy calculations drillCommon questions
Can I use a calculator on the PTCB exam?
Yes. The exam provides an on-screen calculator. Practice with a basic calculator so the keystrokes feel familiar.
Which calculations come up most?
The outline names formulas, ratios, proportions, conversions and sig codes for days supply, quantity, dose, concentration and dilutions. Days supply, dose and dilution questions are the core of it.
90 questions in 1 hour 50 minutes, weighted to the four PTCE domains, with a score report by domain and a worked explanation for every answer.
Or try the free pharmacy calculations drillMore PTCB practice
Sources
Original independent practice written to PTCB’s content outline from FDA labels, federal regulations and ISMP guidance. Not affiliated with or endorsed by the Pharmacy Technician Certification Board (PTCB).