Buoyancy Mass

Buoyancy mass, abbreviated as \(m_b\), is the amount of matter an object has relative to the density of the liquid.

 

Buoyancy Mass formula

\(\large{ m_b =  m_o \; \left( 1 - \frac{\rho_f}{\rho_o}  \right)   }\)

Where:

Units	English	Metric
\(\large{ m_b }\) = buoyancy mass	\(\large{ lbm }\)	\(\large{kg}\)
\(\large{ m_o }\) = true vacuum mass of the object	\(\large{ lbm }\)	\(\large{kg}\)
\(\large{ \rho_o }\)  (Greek symbol rho) = density of object	\(\large{\frac{lbm}{ft^3}}\)	\(\large{\frac{kg}{m^3}}\)
\(\large{ \rho_f }\)  (Greek symbol rho) = density of surrounding fluid	\(\large{\frac{lbm}{ft^3}}\)	\(\large{\frac{kg}{m^3}}\)