How much material do I need?

The Weight of rocks, sand and dirt averages around 2800 – 3000 lbs. Per cubic yard.
Most ½ ton pickup trucks will easily handle ½ yard of heavy material. [approx. ~1,500 lbs.]

Rock Coverage:
3/4″ rock 150 sq ft
1 1/2” rock 120-130 sq ft
2-4” cobble 100 sq ft
6-8” cobble 80 sq ft
3/4″ rock 150 sq ft
1 1/2” rock 120-130 sq ft
2-4” cobble 100 sq ft
6-8” cobble 80 sq ft
Beach stone covers 130 sq ft per yard

Most materials should cover approximately 150 sq feet at 2″ of thickness Larger rocks cover less square feet. Each product has a suggested coverage