Buoyancy Force Calculator

Calculate buoyant force, floating conditions, and fluid displacement with our physics-based calculator

Fluid Properties

Object Properties

Buoyancy Results

Buoyant Force
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Newtons (N)
Displaced Volume
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Result
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Enter your parameters to see detailed buoyancy calculations.

Visualization

📚 Buoyancy Principles

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Archimedes' Principle

The buoyant force on a submerged object equals the weight of the fluid it displaces.

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Floating Condition

An object floats when its weight equals the buoyant force (when its density ≤ fluid density).

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Buoyant Force Formula

Fb = ρfluid × Vdisplaced × g

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Applications

Ship design, hot air balloons, hydrometers, submarines, and density measurement.

📊 Common Material Densities

Material Density (kg/m³) Floats in Water?
Cork 100-250 Yes
Ice (0°C) 917 Yes
Pine Wood 500-600 Yes
Water (4°C) 1000 Neutral
Aluminum 2700 No
Iron/Steel 7870 No
Lead 11340 No
Gold 19300 No

Note: Densities are at standard temperature and pressure (20°C, 1 atm)

Dark Mode

Note: This calculator provides estimates based on ideal conditions. Real-world factors like fluid viscosity, object shape, and surface tension may affect actual results.