math ToolUpdated 2026-09-20
Density Calculator & Formula
Density represents the mass of a substance per unit volume. Enter mass and volume to calculate material density in g/cm³, kg/m³, and lb/ft³, along with specific gravity and water buoyancy comparisons.
Frequently Asked Questions
What is the density of pure water?
Pure water has a density of 1.0 g/cm³ (or 1,000 kg/m³) at 4°C. Substances with density < 1.0 g/cm³ float in water.
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