Buoyant force is directly proportional to the density of the fluid in which an object is immersed.
Buoyancy is the tendency to rise or float in a fluid. The upward force exerted on objects submerged in fluids is called the buoyant force.
The formula for buoyant force is
F=ρVg=mg
where
ρ
is the density,
V
is the volume, and
m
is the mass of the displaced fluid.
g
is the acceleration due to gravity (9.81 m·s⁻²).
So the denser the fluid is, the greater the buoyancy and the buoyant force.