How it’s calculated
Flooring material is bought for the floor area plus a cutting allowance; underlayment, labor and removal are priced on the actual floor area.
Example (default example rates): 200 ft² with 10% waste = 220 ft² × $3.50 = $770; underlayment 200 × $0.50 = $100; labor 200 × $2.50 = $500. Direct cost $1,370; +20% = $1,644; 7% tax on materials ($870) = $60.90. TOTAL = $1,704.90 (≈ $8.52/ft²).
This is a planning estimate only. It does not include anything not entered above, such as permits, inspections, engineering, site preparation, demolition or disposal (unless entered), access or equipment problems, regional surcharges, contingency or price changes. Get written quotes before committing. For flooring that includes subfloor repair or leveling, moisture barriers, baseboard and transition strips, moving furniture and stairs.
Frequently asked questions
How much extra flooring should I buy?
Plan on about 10% for typical rooms. Diagonal layouts, herringbone and rooms with many corners need 15% or more. Round up to whole boxes when you buy.
Is labor priced on the area with waste?
No. Installers usually charge for the floor area actually covered, so labor uses the net area while material includes the waste allowance.
Do I need underlayment?
Floating floors usually need a foam or cork underlayment unless one is pre-attached. Check the manufacturer’s installation instructions, since the wrong underlayment can void a warranty.
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Sources
- Flooring Installers and Tile and Stone Setters: Pay (Occupational Outlook Handbook) — U.S. Bureau of Labor Statistics
- NIST Handbook 44, Appendix C: Units of Measurement — U.S. National Institute of Standards and Technology
Formulas are taken from the free public references above. Results are provided “as is” for informational and educational purposes only. See our disclaimer.
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