Respiratory Therapy Formulas and Calculations

RespCalc‘s Formulas and Calculation pages gives you easy access to respiratory formulas, scores, scales, and classifications. RespCalc has been used by a wide range of medical professionals such as Doctors, Respiratory Therapists, Nurses, Intensive Care Persons, and many other Health Care Providers.

Study Guide One

Alveolar Gas Equation Study Guide

Oxygen Tank Duration Study Guide

Formulas and Calculation

  • Arterial-Venous Oxygen Content Delivery
  • BODE Index
  • Body Mass Index
  • Body Surface Area
  • Bohr Equation
  • Capillary Oxygen Content
  • Cardiac Output (Echo)
  • Cardiac Output (Fick)
  • Dyspnea Scale (MRC)
  • Endotracheal Tube Size (ETT)
  • Glascow Comma Scale
  • Glomerular Filtration Rate
  • Mean Airway Pressure
  • Mean Arterial Pressure
  • Oxygen Consumption
  • Pack Years
  • pH (Henderson-Hasselbalch)
  • Predicted Peak Flows (adults)
  • Unit Conversion
  • Total Oxygen Content
  • Well’s Criteria (PE risk)
  • Airway Resistance
  • Henderson Hasselbalch
  • Ideal Gas Law
  • Boyle’s Law
  • Charles’s Law
  • Gay-Lussac’s Law
  • Avogadro’s Law