RespCalc Respiratory Calculator

RespCalc is a Respiratory Calculator App designed by a Registered Respiratory Therapist that gives you easy access to respiratory formulas, scores, scales, and classifications. RespCalc has been a top 100 medical app in over 30 countries. RespCalc has been downloaded by a wide range of medical professionals such as Doctors, Respiratory Therapists, Nurses, Intensive Care Persons, and many other Health Care Providers.

RespCalc stands out with a user interface that shows a great level of polish and allows speedy data entry and information look up.

Make yourself standout today. Download RespCalc for your iPhone/iPad devices from iTunes. Download RespCalc for your android devices from Google Play.


  • Relevant formulas, scores, scales and classifications
  • Detailed information and bibliographic references for each formula
  • Support for US and SI units, with easy switching from the keypad
  • Custom overlaid controls
  • Search for equations by name or keywords
  • Customizable list of favorite equations
  • Available for both Apple and Android devices

How To Calculate


  • Respcalc is undergoing updates for the latest ios and Android. Please request any ideas or changes here.

Future Updates

System Requirements