Blood Volume Calculator
Body Weight (kg)
Blood volume estimation is used clinically for transfusion planning. Simple weight-based estimate: ~70 mL/kg (men), ~65 mL/kg (women).
- 1Male EBV ≈ 70 mL/kg
- 2Female EBV ≈ 65 mL/kg
- 370 kg adult male → ~4.9 L blood
- 4Blood is ~7–8% of body weight
75 kg female=EBV ≈ 75 × 65 = 4,875 mL (4.9 L)
| Weight | Male (70mL/kg) | Female (65mL/kg) |
|---|---|---|
| 50 kg | 3,500 mL | 3,250 mL |
| 70 kg | 4,900 mL | 4,550 mL |
| 90 kg | 6,300 mL | 5,850 mL |
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