Aggregate Calculator
Calculate gravel, sand, topsoil, bark and sub-base materials for driveways, paths, landscaping and more.
How to use this calculator
1. Choose your aggregate type
Select MOT Type 1, gravel, sand, topsoil or bark depending on your project needs.
2. Select your project type
Choose driveway, patio, path, lawn or border to get recommended depth.
3. Enter dimensions
Measure and enter the length and width of your area in metres.
4. Calculate materials
Click Calculate to see the number of bulk bags needed.