This text applies dimensional analysis to dosage calculations, allowing students and professionals to calculate dosage, intravenous drip rates, patient's daily fluid intakes/requirements and more without having to memorize formulas. Content includes a step-by-step, how-to approach, introducing the dimensional analysis method before students begin using it and building on previous chapters' information. Provides numerous examples of dosage calculations using dimensional analysis with commonly prescribed medications as well as actual drug labels. Prevention methods for the common pitfalls associated with dimensional analysis are also presented.