All calculators

Hematology · Critical Care

Estimated Plasma Volume from Hematocrit calculator

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

Clinical inputs

Result

Sign in to run this calculator

Browse inputs freely. Sign in to calculate with your values.

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)

View source