Landscape Material Calculator

Landscape Material Calculator

Use this calculator to estimate how much mulch, topsoil, compost, sod base, landscape rock, or gravel you need for your yard or garden project.

Enter Your Measurements

Common bag sizes are 1, 1.5, 2, and 3 cubic feet.

Estimated Material Needed

Area 0 sq. ft.
Cubic feet 0 cu. ft.
Cubic yards 0 cu. yd.
Bags needed 0 bags
Gallons 0 gallons

Handy Conversions

  • 1 ft = 12 inches
  • 1 sq. ft. = 144 sq. inches
  • 1 sq. yd. = 9 sq. ft.
  • 1 cu. yd. = 27 cu. ft.
  • Gallons = cubic feet × 7.48
  • One 3 cu. ft. bag at 2 inches deep covers about 18 sq. ft.