Bulk Material Calculator Keller Material, Ltd. convert cubic yard crushed stone to ton,Lava Rock .50 .65 tons (1,000 1,300 lbs.) per cubic yard Sand and Gravel Mix tons (3,000 lbs.) per cubic yard Please click here to view our company policiesconvert crushed stone from yards to tonsCrushed Stone Base Limestone, 1 CY,, Stone Dust Mix (good for under pavement) Use the ...