Density Calculator

Your details

Rearrange ρ = m ÷ V to find whichever quantity you do not know.
Weigh the sample on a balance. Mixed units are converted for you.
No volume figure? Switch to box dimensions and the tool computes it.
Measure directly for liquids, or by water displacement for irregular solids.
Density
2g/cm³
Density2,000kg/m³
Density124.86lb/ft³
Specific gravity (vs water)2
2 × water
Floats<1Sinks (light)1-3Dense3-8Very dense8+

Density is 2.000 g/cm³, so it would sink in water (closest material: Concrete).

  • Density is mass per unit volume: ρ = m ÷ V.
  • Water is 1 g/cm³ (1,000 kg/m³); anything denser sinks, anything lighter floats.
  • Specific gravity here is 2.000, meaning the sample is 2.00× as dense as water.
  • That puts it nearest Concrete (2.3 g/cm³) in the reference table below.

Next stepSwitch "Solve for" to Mass or Volume to rearrange ρ = m/V for a known density.

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