EngiRef / Fluids Engineering Formula
Buoyancy Force
Buoyancy Force: Upward force on submerged object. A Fluid Statics formula in fluids engineering. Variables Fb, ρ, g and V, each with SI and imperial units.
Fluid Statics
Specification
- Name
- Buoyancy Force
- Discipline
- fluids
- Category
- Fluid Statics
- LaTeX
- F_b = \rho g V
- Description
- Upward force on submerged object
- Can solve for
- Fb, ρ, V
- Tags
- buoyancy, archimedes, float, displacement
Variables
| Symbol | Name | Unit | Si Unit | Imperial Unit |
|---|---|---|---|---|
| Fb | Buoyancy Force | N | N | lbf |
| ρ | Fluid Density | kg/m³ | kg/m³ | slug/ft³ |
| g | Gravity | m/s² | m/s² | - |
| V | Displaced Volume | m³ | m³ | ft³ |
Common questions
- What is the Buoyancy Force formula?
- Upward force on submerged object. It sits under Fluid Statics, Fluids engineering in the EngiRef reference.
- What do the symbols in the Buoyancy Force formula mean?
- In Buoyancy Force, Fb is buoyancy force in N; ρ is fluid density in kg/m³; g is gravity in m/s²; V is displaced volume in m³.