Immersed Weight Calculator

Your details

The weight of the object measured outside of any fluid.
kg
The total volume of the object that will be submerged.
m³
Select a preset fluid or choose "Custom liquid" to enter your own density.
Fraction of the object that is submerged. 1 = fully submerged; 0.5 = half submerged. Defaults to 1 (fully under).
(0-1)
Immersed weightObject sinks
8

Apparent weight of the object when submerged (negative means it floats)

Buoyant force2
Fluid density1,000
Object density5,000
Floats or sinks?Sinks (weight exceeds buoyancy)
Weight reduction20
Immersed weight8
Buoyant force2

Immersed weight: 8.000 kg in Water.

  • Water pushes up with 2.000 kg of buoyant force, leaving an apparent weight of 8.000 kg.
  • The fluid reduces the object's apparent weight by 20.0% compared with its weight in air (10 kg).
  • The object's density (5000.0) exceeds the fluid's density (1000.0), so it sinks.

Next stepTry changing the fluid to see how density differences alter the apparent weight. Denser fluids like mercury reduce apparent weight dramatically.

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