Tile Flooring Materials for 400 sq ft

Quick Answer: For 400 sq ft of tile flooring, you need 42 boxes (5% waste factor included).

Room Area400 sq ft
Waste Factor5%
Total to Purchase420 sq ft
Coverage per Box10 sq ft
Boxes Needed42 boxes
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Customize Your Estimate

$2,268 - $2,898
Total Estimate
$2,520
Materials
$0
Labor + Subfloor
8 hrs
Est. Time

Materials Calculation

Here's how we calculated materials for 400 sq ft of tile:

  1. 1. Base area: 400 sq ft
  2. 2. Add waste factor: 400 × 1.05 = 420 sq ft
  3. 3. Divide by box coverage: 420 ÷ 10 = 42.0 boxes
  4. 4. Round up: 42 boxes (always round up)

Additional Materials Needed

ItemQuantityEst. Cost
Underlayment5 rolls$150
Transition Strips2 pcs$30
Spacers (for expansion gaps)1 pack$10
Thinset Mortar8 bags$160
Grout4 bags$60
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Frequently Asked Questions

For 400 sq ft with 5% waste factor, you need 42 boxes of tile flooring. Each box covers 10 sq ft.

Related Tools

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