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Material wastage calculator
Add a waste allowance to the net amount of material your job needs.
Your inputs
Starting values are examples, not recommended rates.
Your estimate
- Waste allowance
- 10units
- Quantity to purchase
- 110units
This adds a purchasing allowance, rather than modelling a percentage loss from purchased stock. Round to your supplier’s pack size.
How this tool works
Required quantity = net quantity × (1 + waste allowance / 100).
What should I check before using the result?
This adds a purchasing allowance, rather than modelling a percentage loss from purchased stock. Round to your supplier’s pack size.