Plasma Volume Calculator

Free calculate plasma volume. This is an educational tool only - always consult a healthcare provider.

Patient Information

Results

Enter patient information to calculate plasma volume

About Plasma Volume

  • • Plasma Volume = Total Blood Volume × (1 - Hematocrit)
  • • Total Blood Volume: ~70 mL/kg (adults)
  • • Plasma: ~55% of blood volume
  • • Red cells: ~45% of blood volume
  • • Used in fluid management