A cubic foot of lead, for example, will weigh a lot more than a cubic foot of feathers. The key to converting volume into mass is to use the density of the object in the equation. If you know the object's density, you can convert its cubic feet into pounds with a simple calculation.
BINQ Mining > Crusher and Mill > how much does stone dust weigh; Print. how much does stone dust weigh. Posted at:November 2, 2012[ 1663 Ratings] ... How much does sand weigh per cubic foot? The KGB Agent answer: Sand weighs 130lbs per cubic foot if wet and 120lbs if dry.