Cardiac Output Calculator
Blood pumped per minute and cardiac index.
Your result
Normal resting cardiac output is 4–8 L/min and cardiac index 2.5–4.0 L/min/m².
Medical disclaimer: This tool is for education and is not medical advice. Read more.
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Frequently asked questions
What does the Cardiac Output Calculator do?
Blood pumped per minute and cardiac index. Enter your values and the result and chart update instantly.
How accurate is it?
It uses published, widely used formulas. Results are estimates for education and planning, not a diagnosis. Talk to a qualified clinician about decisions affecting your health.
Is my information stored or shared?
No. All calculations run in your browser and nothing you type is sent to a server or saved.
What can I search to find this tool?
People find it by searching for: how much blood does my heart pump; stroke volume; cardiac index.