Density Calculator

Find density, mass or volume with the classic ρ = m/V triangle — enter the two values you know and get the third.

What do you want to find?

Mass (g)

Volume (cm³)

Density (g/cm³)

Result

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Also as kg/m³ (for density results)

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How it works: Density ρ = mass ÷ volume. Rearranged: mass = ρ × volume, volume = mass ÷ ρ. In the units used here (grams and cm³) water has a density of almost exactly 1 g/cm³, so anything well above 1 sinks fast and anything below 1 floats. Multiply g/cm³ by 1,000 to get kg/m³.

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Estimates only — results depend on the values you enter and the standard formulas shown above.