Aug 07, 2019· Weight of A Cubic Yard . The weight can be varied depending on the materials you're transporting. Mulch weighs up to 1,000 lbs per cubic yard. Sand, gravel, and stone weigh about 3,000 lbs and soil weighs about 2,200 lbs per cubic yard. However, wet, dry, and moisture conditions of the materials can make a change in the weight of a cubic yard.