PaO₂/FiO₂ Ratio Calculator Sponsored Advertising placement PaO₂/FiO₂ Ratio Clinical Decision Tool Calculates the arterial oxygen tension to inspired oxygen fraction ratio. PaO₂ i PaO₂ × Arterial partial pressure of oxygen. Accepted units mmHg Used by PaO₂/FiO₂ Ratio Clinical noteUse an arterial blood-gas result obtained with a known FiO₂. ReferenceARDS Definition Task Force. JAMA. 2012;307:2526–2533. Learn more → mmHg FiO₂ decimal Calculate PaO₂/FiO₂ Ratio Clear Calculator ☆ Log in to save Save this calculator to your MDPDA account. + Add to Toolkit Log in to save incomplete calculator progress and return later. Log in to save progress Clinical Decision Support Only MediCalc calculators are intended to support qualified healthcare professionals and must not replace professional clinical judgement. Do not enter patient-identifiable information into Saved Progress. Read our Clinical Disclaimer Sponsored Advertising placement
