#### How many: 1) cubic meters of gravel and sand and 2) bags ...

May 04, 2008· How many: 1) cubic meters of gravel and sand and 2) bags (40 kgs. each) of cement, for a concrete mix...? Best Answer: Cubic area of the space is: 125 m^2 * .125 m = meters cubed. The second question isn't really answerable because it pertains to mass and not volume.