Perform mathematical calculations.

Performance should include calculations that are critical to the tasks of pharmacy technicians in a variety of settings and

  • rules of drug calculations
  • metric system and conversions
  • decimals and fractions
  • ratios, proportions, and percentages
  • osmolarity, milliequivalent (mEq)
  • military time
  • Roman numerals
  • Young's rule
  • Clark’s rule
  • Fried’s rule
  • temperature conversions
  • body surface area (BSA) dosage calculations
  • drip rate calculations
  • increasing and decreasing formulations
  • powder volume
  • W/W, W/V, and V/V
  • percent strength
  • ratio strength.

See ASHP 2.6 Links to an external site..

Process/Skill Questions:

  • What are the purposes of Young's, Clark’s, and Fried’s rules?
  • What are the rules of drug calculations?