Enter the approximate length and width of the area you want to cover, then the desired depth (standard depth for mulch is 3"), then click Calculate. The calculator will tell you approximately how many cubic yards of mulch you'll need (based on typical coverage of 100 sq. ft./cubic yard, 3" deep).

Enter the approximate length and width of the area you want to cover, then the desired depth (standard depth is 2"), then click Calculate. The calculator will tell you approximately how many tons of material you'll need (based on typical coverage of 90 sq. ft./ton, 2" deep).

Enter the length and height of the wall you are building, then click Calculate. The calculator will tell you approximately how many tons of stone you'll need to build (or cover) your wall (based on typical coverage of 25 sq. ft./ton).