Estimated Blood Volume Calculator (EBV)

Calculate Estimated Blood Volume

Quickly calculate estimated blood volume (EBV) for various patient types, including adults, children, infants, and neonates. An essential tool for medical professionals assessing fluid status and blood loss.

Formula:

The Estimated Blood Volume (EBV) is calculated using the following general formula:

EBV = Weight (kg) × Blood Volume Factor (mL/kg)

Where:

  • Weight (kg): Patient's body weight in kilograms.
  • Blood Volume Factor (mL/kg): An approximate value depending on the patient's age and sex:
    • Adult Male: ~75 mL/kg
    • Adult Female: ~65 mL/kg
    • Child (1-12 years): ~70 mL/kg
    • Infant (<1 year): ~80 mL/kg
    • Neonate (<1 month): ~85 mL/kg

Note: These are average estimates; individual blood volume can vary significantly.

Medical and Physiology Tools

Breath-by-Breath VCO2 : Carbon Dioxide Production Rate

Go to Calculator

Plasma Volume : Measure Blood Plasma Accurately

Go to Calculator