Free tool
Waste factor calculator
Apply a waste percentage to any quantity to get the total to order.
Quantity
With waste
- Waste added
- 10.00 SF
- Total needed
- 110.00 SF
- Rounded up
- 110 SF
Typical waste runs 5–15% depending on material and complexity.
Frequently asked
- What is a waste factor?
- A percentage added to a base quantity to cover cuts, breakage, and overage — so you order enough material to finish the job.
- How much waste should I add?
- 5–15% is typical. Simple layouts use less; cut-up areas, patterns, and diagonal installs use more.
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