How the Shopping Quantity Planner works
Required quantity is increased by waste, divided by pack coverage, and rounded up; actual coverage and leftover are shown.
How to use this tool
- Collect accurate values for required quantity, quantity per pack, waste or spare.
- Enter measurements in the displayed units and select the choices that match this project.
- Select Calculate / Generate, then compare the outputs with the stated Shopping Quantity Planner method.
- Apply the result only after checking product specifications and real site conditions.
Example calculation or use case
For a worked Shopping Quantity Planner example, use Required quantity = 24, Quantity per pack = 2.2, Waste or spare = 10 %, Price per pack = 35. The tool then applies this method: Required quantity is increased by waste, divided by pack coverage, and rounded up; actual coverage and leftover are shown.