Hematology · Critical Care
Estimated Plasma Volume from Hematocrit calculator
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Clinical inputs
Result
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Formula inputs
- Body weight (kg)Accepted range: 1 to 300
- Hematocrit (%)Accepted range: 5 to 75
Primary source
Dill DB, Costill DL. Calculation of percentage changes in volumes of blood, plasma, and red cells in dehydration. J Appl Physiol. DOI: 10.1152/jappl.1974.37.2.247. PMID: 4850854. Scope: estimated plasma volume (mL) ≈ body weight (kg) × 40 mL/kg × (1 − hematocrit/100) using a fixed plasma volume per kilogram approximation. (1974)
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