Mulch Calculator How much area do you have?Square or Rectangular Beds Length (feet) Width (feet) – OR –Circular Beds Diameter (feet) How thick would you like your mulch? Our mulch depth recommendations:New planting beds: 2″-3″ for weed retardant and moisture retentionSpring top dressing: 1″-2″Winter perennial protection: 2″ Select a depth:1/2″1″2″3″4″ Your Bed Area is sq ft. You will need: 2 cubic foot bags of mulch or 3 cubic foot bags of mulch or Cubic yards of mulch or Midsize pickup truck loads of mulchOrder your mulch delivery online!