### Stone Material Calculators

Tons Per Cubic Yard: Gravels. Crimson = 1.1 tons (2200 lbs.) per cubic yard Rock (57 & 89) = 1.2 tons (2400 lbs.) per cubic yard Lime Rock (919) = 1.25 tons (2500 lbs.) per cubic yard River Rock (all) = 1.325 tons (2650 lbs.) per cubic yard Granite (all) = 1.325 tons (2650 lbs.) per cubic yard.