AllContraX

Free tool

Mulch & Gravel Calculator

Convert bed size and depth into cubic yards of mulch, gravel, or topsoil — and see when bulk delivery beats bags.

Material needed1.85 cubic yards
Or 2 cu ft bags~25 bags

Good to know

  • Bulk delivery usually beats bags above ~1 cubic yard (a yard is 13-14 bags).
  • Mulch: 2-3 inches is ideal — deeper invites rot and pests against stems.
  • Gravel driveways typically want 3-4 inches per lift, compacted.

Want the full picture, not just materials?

Describe the project and get a contractor-style planning estimate — scope, labor, materials, and a realistic range — free.

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Planning estimates based on standard rules of thumb. Actual material needs vary with site conditions, product dimensions, and installation method — confirm quantities with your contractor or supplier before ordering.