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Oxygen Delivery (DO₂) from Cardiac Output and CaO₂ Calculator

Total oxygen delivery to tissues per minute.

Calculates systemic oxygen delivery DO₂ = CO × CaO₂ × 10, where CO is cardiac output (L/min), CaO₂ = (1.34 × Hb × SaO₂/100) + (0.0031 × PaO₂) is arterial oxygen content (mL/dL).

Nadia Almasri By Nadia Almasri
Published Last reviewed 1 min read

Inputs

L/min
g/dL
%
mmHg

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

DO₂ = CO · CaO₂ · 10; CaO₂ = 1.34·Hb·SaO₂/100 + 0.0031·PaO₂

In depth

Calculates systemic oxygen delivery DO₂ = CO × CaO₂ × 10, where CO is cardiac output (L/min), CaO₂ = (1.34 × Hb × SaO₂/100) + (0.0031 × PaO₂) is arterial oxygen content (mL/dL).