Blood Volume Calculator with Current Hgb Analysis
Compare Predicted vs. Current Blood Volume States
Patient Information
cm
kg
Patient’s actual lab value
Patient’s actual lab value
Calculation Method
Predicted Blood Volume: Men: 2740 mL/m² × BSA, Women: 2370 mL/m² × BSA
Current Blood Volume: Based on current Hgb and predicted total hemoglobin mass
Key Insight: Lower current Hgb suggests hemodilution (increased plasma volume)
Body Surface Area (BSA)
–
Mosteller formula
Predicted Total Blood Volume
–
Expected for healthy individual
Expected Hgb: – g/dL
Current Blood Volume
–
Based on current Hgb levels
Current Hgb: – g/dL
–
Total Hemoglobin Mass
–
Absolute quantity (unchanged)
Volume Status Analysis
–
–
–
Expected RBC Mass
–
At predicted hematocrit
