Garden beds, driveways, and paths. Get cubic yards, bags, and an approximate weight.
Volume in cubic feet is the area times depth in inches ÷ 12, increased by your extra percentage. Dividing by 27 gives cubic yards, and dividing by your bag size gives the number of bags. Approximate weight multiplies cubic yards by a typical weight per yard: about 800 lb for mulch, 1,200 for compost, 2,100 for topsoil, 2,700 for sand, 2,800 for gravel, and 2,600 for pea gravel or river rock. Choosing a material also sets a typical starting depth.
Two to three inches of mulch around plants, about four inches of topsoil for new lawn areas, and two to three inches of gravel for paths are common starting points.
They are rough averages. Moisture changes weight a lot, especially for mulch, compost, and soil. If you order by the ton, ask your supplier for their figure.
Usually, for larger areas. A cubic yard equals 13.5 bags of 2 cubic feet, so bulk delivery tends to cost less once you need a few yards.
Yes. Enter the total square footage in the area box and it will be used instead of length and width.