Mulch, Gravel & Topsoil Calculator (Cubic Yards)
calc_mulch_gravelRead-only
Cubic yards (and optional tons) of mulch, gravel, sand or soil for a bed or path. Formula: Cubic yards = L(ft) × W(ft) × depth(in) ÷ 324 (since 27 cu ft × 12 in = 324). Tons = cu yd × supplier density.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| depth_in | No | Depth (in); default 3 | |
| width_ft | No | Width (ft); default 10 | |
| length_ft | No | Length (ft); default 20 | |
| tons_per_cy | No | Material density from your supplier (0 = skip) (tons/cu yd); default 0 |