ft · in
m · cm
Plan
Plan
3D
100 sq ft of mulch at 3 in deep: 0.93 cu yd or 13 bags.
Material
Mulch
Topsoil
Compost
Measure by
Length × width
Total area
Circle (diameter)
Length
ft
Width
ft
Depth
in
2 in
3 in
4 in
6 in
Mulch: 2–3 in (Penn State Extension). Topsoil for new lawns or beds is often 4–6 in.
More options
Prices & assumptions
National typical prices
10 ft
10 ft
DEPTH
1 in
2 in
3 in
4 in
5 in
6 in
3 in
✓ Recommended 2–3 in