Buoyant force calculator

Calculate buoyant force with your own figures.

Your numbers

Use the units shown. Results update as you change valid inputs.

Use buoyant force to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Fluid density (kg/m³)
1000
Displaced volume (m³)
0.01
Gravity (m/s²)
9.80665
Buoyant force (N)
98.0665

Try another scenario

Fluid density (kg/m³)
1100
Displaced volume (m³)
0.01
Gravity (m/s²)
9.80665
Buoyant force (N)
107.87315
Calculation method

Calculation method

Buoyant force (N)

a × b × c

Symbols and units
a
Fluid density (kg/m³)
b
Displaced volume (m³)
c
Gravity (m/s²)

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions & limits

Assumptions & limits

  • Archimedes’ principle for the displaced fluid volume in a static uniform fluid.
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Further reading

Method reference ↗

Background reading; this does not imply endorsement or independent review of SumFizz.

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