What are the most common density conversion factors?

Density conversion factors are used to convert between different units of measure. Example: converting lb/ft3 to kg/m3.

To Obtain g/mlkg/m3lb/ft3lb/in3lb/U.S. gal
Multiply By
g/ml--100062.4280.03612738.3454
kg/m30.001--0.0624283.61273x10-50.0083454
lb/ft30.016018516.018453--5.78704x10-40.13368
lb/in327.67990527.679.91728--231
lb/U.S. gal0.1198264119.82647.48051950.004329--