Cardiology · Critical Care

Cardiac Index (CO/BSA) calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Ci Cardiac Output L Min (L/min)

Ci Height Cm (cm)

Ci Weight Kg (kg)

Result

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Formula inputs

Ci Cardiac Output L Min (L/min)Accepted range: 1 to 15
Ci Height Cm (cm)Accepted range: 120 to 220
Ci Weight Kg (kg)Accepted range: 30 to 200

Primary source

Mosteller RD. Simplified calculation of body-surface area. N Engl J Med. DOI: 10.1056/NEJM198710223171717. PMID: 3560160. Scope: Cardiac index (L/min/m²) = cardiac output divided by Mosteller BSA; bands reflect typical low/normal/high CI ranges. (1987)

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