Density Converter

Convert between various units of density (e.g., kg/m³, g/cm³, lb/ft³).

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Understanding Density

Density (ρ) is a measure of mass per unit volume. It indicates how much "stuff" is packed into a given space. The SI unit for density is kilograms per cubic meter (kg/m³).

Formula: Density (ρ) = Mass (m) / Volume (V)

Common Density Units & Approximate Values
Substance (approx.) Density (kg/m³) Density (g/cm³)
Air (at sea level) 1.225 0.001225
Water (at 4°C) 1000 1
Aluminum 2700 2.7
Iron 7870 7.87
Lead 11340 11.34
Gold 19320 19.32