Bulk Bag Calculator

Work out how many bulk bags you need to cover your area. Choose your material, enter the dimensions and the depth you want to lay, and we'll calculate the weight and number of bags.

Material Area Length (metres) Area Width (metres) Area to Subtract (m²) Deduct any space taken up by planters, buildings or other features. Leave as 0 if not applicable. Depth (mm) Add 10% extra for compaction and settling Recommended as loose material compacts once laid, and to allow for uneven ground.