Daily Figures Edition No Sign-Up Free Forever Vol. XII — No. 204
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Density Calculator

Enter mass and volume to get density in g/cm³ and kg/m³.

Density
Mass ÷ volume.
Details
Mass
Volume
kg/m³
vs water
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Enter your figures above to see the step-by-step working.
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How the Density Calculator Works

Density is how much mass is packed into a given volume — mass divided by volume (ρ = m/V). This calculator takes mass in grams and volume in cubic centimetres and returns the density in g/cm³, plus the SI value in kg/m³.

Water is the benchmark at 1 g/cm³: anything denser sinks, anything less dense floats. Density is the same for a substance regardless of how much you have, which makes it handy for identifying materials.

density = mass ÷ volume

Frequently Asked Questions

How do you calculate density?

Divide mass by volume. 100 grams in 50 cm³ is a density of 2 g/cm³.

What is the density of water?

1 gram per cubic centimetre (1000 kg/m³) at 4°C — the reference point for whether things float or sink.

What are the units of density?

Commonly g/cm³ or kg/m³. 1 g/cm³ equals 1000 kg/m³.

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