RainYard Tools
RainYard Tools

Bed preparation

Soil Amendment Volume Calculator

Estimate compost or sand volume for amending a garden bed to a chosen depth.

Amendment0.86 cu ydCompost, sand, or selected material.
Total mixed layer2.44 cu ydFull volume of the worked layer.
Cubic feet23.1 cu ftAmendment only.
Quick ruleDo not over-amend clay without a plan.