Not satisfied with MedMath, MedCalc, or Archimedes? You might want to give PEPID's Medical Calculators a try.
The program features hundreds of equations, including normal lab reference ranges, conversion equations, critical care equations, equations by organ system (pulmonary, cardiac, metabolic, hematology, neurology), pediatric equations, IV drip calculations, SI unit conversions, and more!
PEPID MC is available as a stand-alone application, but is fully integrated with the PEPID Suite of applications. A free trial is available.