How Much Paint for a 10x12 Room
Quick Answer: A 10x12 room with 9ft ceilings needs 4 gallons of paint for 3 coat(s).
| Wall Area | 396 sq ft |
| Total Coverage Needed | 1188 sq ft |
| Paint Needed | 4 gallons |
| Primer (if needed) | 2 gallons |
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Customize Your Estimate
$116 - $148
Total Estimate
$129
Materials
$0
Labor
4 hrs
Est. Time
Paint Calculation Formula
Here's how we calculated paint needs for your 10x12 room:
- 1. Calculate wall area: 2 × (10 + 12) × 9 = 396 sq ft
- 2. Multiply by coats: 396 × 3 = 1188 sq ft total
- 3. Divide by coverage: 1188 ÷ 375 = 3.2 gallons
- 4. Round up: 4 gallons (always round up)
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Frequently Asked Questions
A 10x12 room with 9ft ceilings needs approximately 4 gallons of paint for 3 coat(s), based on 396 sq ft of wall area.
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