For loose materials (gravel, soil, mulch, etc):

Use this Material Coverage Calculator to obtain CUBIC YARDAGE needed:

• One cubic yard covers approximately 100 square feet to a depth of 3″.
• One 2 cubic foot bag (soils and mulches) covers approximately 8 square feet to a depth of 3″.
• One 75 pound bag (gravel, sand) covers approximately 4 square feet to a depth of 3″.

For one ton of flagstone:

• ½” thick will cover about 300 square feet.
• 1″ thick will cover about 150 square feet.
• 1 ½” thick will cover about 100 square feet.
• 2″ thick will cover about 75 square feet.
• 2 ½” thick will cover about 60 square feet.

For wall rock:

• One ton of wall rock will build about 25 Square Feet of wall.
• One cubic foot of rock weighs approximately 150 pounds.

For pebbles:

• One Ton is 2000lbs.
• One ton is about .8 yard.
• One ton covers about 107 square feet to a level of 2”.
• One 75 pound bag covers approximately 5 square feet to a level of 2”.