1 kilogram per cubic meter (kg/m³) = 0.001 gram per cubic centimeter (g/cm³) = 0.0624 pound per cubic foot (lb/ft³)
1 pound per cubic foot (lb/ft³) = 16.02 kilograms per cubic meter (kg/m³)
1 pound per cubic inch (lb/in³) = 27679.9 kilograms per cubic meter (kg/m³)
1 pound per US gallon (lb/gal³) = 119.826 kilograms per cubic meter (kg/m³)
1 pound per Imperial gallon (lb/gal³) = 99.776 kilograms per cubic meter (kg/m³)
1 pound per (petroleum) barrel (lb/bbl³) = 2.853 kilograms per cubic meter (kg/m³)
1 Baumé density (B) = 140/specific gravity at 15.5°C - 130
API gravity = 141.5/specific gravity at 15.5°C - 131.5