Verge & Vortex
Mulch Quantity Calculator
Work out how much mulch a garden bed may need from area and depth. Depth is a planning figure — existing soil and plant crowns change what you actually use.
Important check
Measure your area at least twice before making a decision.
The calculator provides a mathematical quantity based on the measurements you enter and shows a separate planning allowance. It does not replace your actual measurements, judgement or site assessment.
Cuts, breakage, waste, uneven areas, obstacles and the products you choose may mean more material is required. Some projects may require more than the planning estimate.
What this calculation means
Convert a bed measurement into a volume so you can compare bag or bulk options yourself.
No material prices are shown. The mathematical result is not a guaranteed purchasing requirement. Site conditions can change what you actually need.