Online Calculators since 2009
| Patients Age | |
| Fraction of Inspired Oxygen(FiO2) | % |
| Atmospheric Pressure(Patm) | mmHg |
| Water vapor pressure(PH2O) | mmHg |
| Partial pressure of arterial CO2(PaCO2) | mmHg |
| Respiratory quotient (RQ) | |
| Partial pressure of arterial O2(PaO2) | |
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Please note that the Alveolar Arterial Gradient Calculator is provided for your personal use and designed to provide information and information relating to the calculations only. The Alveolar Arterial Gradient Calculator should not be used for you to self-diagnose conditions, self-medicate or alter any existing medication that you are currently prescribed by your Doctor. If the Alveolar Arterial Gradient Calculator produces a calculation which causes you concern, please consult your Doctor for support, advice and further information.