Density Converter

Convert density between kg/m³, g/cm³, g/L, lb/ft³, and lb/in³. Used in materials science, chemistry, and engineering.

Common Density Conversions

FromTo
1 g/cm³1,000 kg/m³
1 g/cm³1 kg/L
1 g/cm³62.428 lb/ft³
Water1 g/cm³ = 1,000 kg/m³
Iron7,874 kg/m³
Aluminum2,700 kg/m³
Air (at 20°C)1.204 kg/m³
Gold19,320 kg/m³

Density Unit Definitions

kg/m³
SI unit of density.
g/cm³
Equivalent to g/mL or kg/L. Water = 1 g/cm³.
lb/ft³
Imperial unit. Water ≈ 62.43 lb/ft³.

Frequently Asked Questions

What is the density of water?

Pure water at 4 °C has a density of exactly 1 g/cm³ (= 1,000 kg/m³ = 62.428 lb/ft³).

How do I find density?

Density = Mass ÷ Volume. For example, if an object has a mass of 100 g and a volume of 50 cm³, its density is 2 g/cm³.