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Flooring calculator
Calculate room area, add a waste allowance, estimate the number of planks or tiles, and optionally estimate packages from the coverage printed on the product.
What this tool does
Enter your room dimensions and the size of one plank or tile to see the area and piece estimate before you buy.
Calculator
Enter your room and flooring details.
Enter the room size, one plank or tile size, and any package coverage printed by the manufacturer.
Calculation result
Your result
Enter details to see the estimate.
The result separates wall area, coverage, waste allowance, and the rounded quantity to consider buying.
How it works
The calculator multiplies room length by room width, adds your waste percentage, divides by one piece area, and rounds the piece estimate up. Package counts use the package coverage you provide.
Assumptions
- The room is treated as a simple rectangle.
- Pieces are estimated by area and do not model cuts, direction, pattern matching, or room layout.
- Package coverage comes from the specific flooring product you plan to buy.
Limitations
- Actual piece counts can be higher because of cuts, damaged pieces, pattern matching, and installation layout.
- The calculator does not assume a universal package size or manufacturer coverage.
- Use product packaging and installer guidance for final purchasing decisions.
Good to know
Frequently asked questions
What waste percentage should I use?
Choose a percentage that reflects your layout, cuts, pattern, and installation conditions. The calculator does not prescribe a universal value.
Can I calculate boxes without package coverage?
No. Leave package coverage blank if you do not have the product information; the calculator will show the piece estimate instead.
Why might I need more pieces than the estimate?
Area alone does not model cuts, room shape, pattern matching, damaged pieces, or installation direction. Use the result as a planning estimate.
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