Body Surface Area (BSA) & Total Body Water (TBW) Calculator
BSA & Total Body Water Calculator
Female
Male
Body surface area (BSA)
BSA m²
Total body water (TBW)
TBW (dry) mL
TBW (total) mL
Calculations must be re-checked and should not be used alone to guide patient care, nor should they substitute for clinical judgment. See our full terms of use.