Flooring Calculator
Boxes of flooring and cost.
Enter your values
ⓘ Live results
Results
- Boxes to buy
- 11
- Area with waste
- 257.4 sq ft
- Room area
- 234 sq ft
- Total coverage bought
- 261.8 sq ft
- Estimated cost
- $528.00
Quick answer
Divide the room area plus waste by the coverage per box to get the number of boxes to buy.
How to use the Flooring Calculator
- 1Measure the room length and width.
- 2Check coverage per box on the product page.
- 3Add 10% waste, or 15% for diagonal layouts.
Worked example
Using the values the calculator loads with:
Inputs
- Room length18 ft
- Room width13 ft
- Coverage per box23.8 sq ft
- Waste allowance10 %
- Price per box48 $
Results
- Boxes to buy11
- Area with waste257.4 sq ft
- Room area234 sq ft
- Total coverage bought261.8 sq ft
- Estimated cost$528.00
Frequently asked questions
Why buy extra?
Cuts, defects and future repairs — keep at least one spare box.
Do I need underlay?
Most floating floors do, unless it is pre-attached.
About this calculator
- Built and reviewed by James Whitfield · How we build and test calculators
- Report an error
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.