Buoyancy Calculator

Calculate the buoyant force and net force on a submerged object using Archimedes' principle. Find out if it floats or sinks.

Object & Fluid Properties

Fb = ρ_fluid × V_displaced × g

Fluid Preset
Fluid Density (ρ_fluid)
Volume Displaced (V)
Object Density (ρ_object)
Gravity (g)
Buoyant Force
Weight of Object
Net Force
Mass Displaced
Step-by-Step