Hardwood Flooring Materials for 400 sq ft
Quick Answer: For 400 sq ft of hardwood flooring, you need 21 boxes (5% waste factor included).
| Room Area | 400 sq ft |
| Waste Factor | 5% |
| Total to Purchase | 420 sq ft |
| Coverage per Box | 20 sq ft |
| Boxes Needed | 21 boxes |
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Customize Your Estimate
$3,024 - $3,864
Total Estimate
$3,360
Materials
$0
Labor + Subfloor
8 hrs
Est. Time
Materials Calculation
Here's how we calculated materials for 400 sq ft of hardwood:
- 1. Base area: 400 sq ft
- 2. Add waste factor: 400 × 1.05 = 420 sq ft
- 3. Divide by box coverage: 420 ÷ 20 = 21.0 boxes
- 4. Round up: 21 boxes (always round up)
Additional Materials Needed
| Item | Quantity | Est. Cost |
|---|---|---|
| Underlayment | 5 rolls | $150 |
| Transition Strips | 2 pcs | $30 |
| Spacers (for expansion gaps) | 1 pack | $10 |
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Frequently Asked Questions
For 400 sq ft with 5% waste factor, you need 21 boxes of hardwood flooring. Each box covers 20 sq ft.
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