Buoyant Force Calculator (Archimedes)
Buoyant force on a submerged object and whether it floats or sinks.
How to use the Buoyant Force Calculator
- Enter or select: Fluid density, Submerged volume, Gravity g.
- Fill in what you know of: Object mass (optional) — leave the unknown empty.
- The results (Buoyant force, Object weight, Result) are calculated instantly as you type.
- Use “Copy link” to share the calculation with the same input values.
Formula
- F_b = ρ_fluid · V · g