Need to know how much soil amendment you need? We use this calculator to accurately measure the right amount of amendment for each garden project.

Enter length:
feet

Enter width:
feet

Select your depth in inches:

1" (amending & mulching) 2" (amending & mulching) 3" (amending & mulching) 4" (amending & mulching) 5" (amending & mulching) 6" (raised beds) 8" (for clay soils)

Volume of material (cubic feet)