Pharmacy Tech Tools

Free calculators and tools to help you prepare for the PTCE exam.

Days Supply Calculator

Calculate how many days a prescription will last.

Quantity Dispensed

Dose per Administration

Times per Day

Calculate mL/hr and drops/min for IV infusions.

Total Volume (mL)

Infusion Time (hours)

Drop Factor (gtt/mL)

C1V1 = C2V2 dilution formula.

Initial Concentration (C1) %

Initial Volume (V1) mL

Final Concentration (C2) %

Validate a DEA registration number.

DEA Number