Health

Body Water Calculator

Estimate total body water using the Watson formula.

Gender

Age (years)

Weight (kg)

Height (cm)

Total Body Water—

% of Body Weight—

Male: TBW = 2.447 − 0.09156×Age + 0.1074×Height + 0.3362×Weight
Female: TBW = −2.097 + 0.1069×Height + 0.2466×Weight