• Overview
    • Chemistry
    • Earth Science
    • Engineering
    • Everyday Life
    • Finance
    • Health & Medicine
      • Anatomy
      • Athletics
      • Health
      • Medicine
      • Ophthalmology
      • Pharmacology
      • Physiology
        • Blood Tests
        • Body Composition
        • Cardiovascular Physiology
        • Environmental Effects
        • Exercise Physiology
        • Metabolism
        • Obstetrics
        • Renal Physiology
        • Respiratory Physiology
          • Blood Oxygen Content Calculator
          • Concentration of Oxygen in Blood Calculator
          • Oxygen Delivery Calculator
          • Oxygen Gradient Calculator
          • Oxygen Hemoglobin Dissociation Calculator
          • Oxygen Index Calculator
          • Peak Expiratory Flow Calculator
          • Pediatric Tracheal Tube Size Calculator
          • Pulmonary Diffusing Capacity (DLCO) Calculator
          • Respiratory Quotient Calculator
        • Weight Management
    • Life Sciences
    • Mathematics
    • Physics
    • Society & Culture
    • Space
    • Technological World
    • Units
WolframAlpha

Oxygen Gradient Calculator

Determine the A‐a gradient, or alveolar‐arterial gradient.

partial pressure of arterial carbon dioxide:
partial pressure of arterial oxygen:
partial pressure of alveolar oxygen:
inspired oxygen concentration:
ambient temperature:
atmospheric pressure:
  • Pro
  • Mobile Apps
  • Products
  • Business
  • API & Developer Solutions
  • LLM Solutions
  • Resources & Tools
  • About
  • Contact
  • Connect
  • ©2026 Wolfram
  • Terms
  • Privacy
  • wolfram.com
  • Wolfram Language
  • Mathematica
  • Wolfram Demonstrations
  • Wolfram for Education
  • MathWorld