Buoyancy Calculator 4+

Buoyancy Calculator are physic/math calculator to find fluid density, volume, buoyant force or weight of displaces fluid fast and easy.

Features:
- Instant calculation
- Result are copy able to other app
- Formula are include as reference
- Support up to 16 decimal place
- Support various unit for each input


In physics, buoyancy or upthrust, is an upward force exerted by a fluid that opposes the weight of an immersed object. In a column of fluid, pressure increases with depth as a result of the weight of the overlying fluid. Thus the pressure at the bottom of a column of fluid is greater than at the top of the column. Similarly, the pressure at the bottom of an object submerged in a fluid is greater than at the top of the object. This pressure difference results in a net upwards force on the object. The magnitude of that force exerted is proportional to that pressure difference, and (as explained by Archimedes' principle) is equivalent to the weight of the fluid that would otherwise occupy the volume of the object, i.e. the displaced fluid. It is also known as buoyant force.

For this reason, an object whose density is greater than that of the fluid in which it is submerged tends to sink. If the object is either less dense than the liquid or is shaped appropriately (as in a boat), the force can keep the object afloat. This can occur only in a non-inertial reference frame, which either has a gravitational field or is accelerating due to a force other than gravity defining a "downward" direction. In a situation of fluid statics, the net upward buoyancy force is equal to the magnitude of the weight of fluid displaced by the body.

Buoyant force equation

The buoyant force with the following buoyancy formula:

B = ρ * V * g

The weight of the displaced liquid. Simply multiply the volume by density:
W = ρ * V

where:

ρ - density of the liquid the object is immersed in, measured in kg/m³
V - volume of the displaced liquid, measured in m³
g - gravitational acceleration in m/s²
B - buoyant force.
W - weight of the displaced liquid in kg

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