Density Conversions

Density is commonly defined as the amount of mass or objects contained within a certain volume.

Density = Mass / Volume

Standard units = kilograms per square meter (kg/m2).

The symbol of density is ρ (the Greek letter rho).

  lb per in3 lb per ft3 slug per ft3 g per cm3 kg per m3
1 lb/in3 1 1728 53.71 27.68 2.768 * 104
1 lb/ft3 5.787 * 10-4 1 3.108 * 10-2 1.602 * 10-2 16.02
1 slug/ft3 1.862 * 10-2 32.17 1 0.5154 515.4
1 g/cm3 3.613 * 10-2 62.43 1.940 1 1000
1 kg/m3 3.613 * 10-5 6.243 * 10-2 1.940 * 10-3 0.001 1