Physics

Buoyant Force

Upthrust on a submerged object.

Formula

Formula
F = ρ V g

Variables

SymbolDefinitionType & rangeUnitsRole
ρ fluid density (kg/m³) computed result result
V displaced volume (m³) real number (ℝ) input

Try it yourself

Interactive calculator
Result

Worked examples

Example 1
Givenfluid density (kg/m³) = 1000, volume (m³) = 0.05
Result490.3325
Example 2
Givenfluid density (kg/m³) = 1025, volume (m³) = 2
Result20103.6325