1 ton of M Rip Rap will cover 17 square feet using D50 = 12 1 ton of H Rip Rap will cover 11 square feet using D50 = 18 1 ton of VH Rip Rap will cover 8 square feet using D50 = 24 River Boulders 3'x3'x3' approx. 1 ton, 150 lbs./Sq. Ft. Quick Conversion Factors Ton/CY Rock 1.25 Crusher Fines 1.8 Compacted 1.5 Loose Infield Mix 1.75 Compacted