How Much Paint for a 16x18 Room
Quick Answer: A 16x18 room with 8ft ceilings needs 5 gallons of paint for 3 coat(s).
| Wall Area | 544 sq ft |
| Total Coverage Needed | 1632 sq ft |
| Paint Needed | 5 gallons |
| Primer (if needed) | 3 gallons |
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Customize Your Estimate
$145 - $185
Total Estimate
$161
Materials
$0
Labor
5 hrs
Est. Time
Paint Calculation Formula
Here's how we calculated paint needs for your 16x18 room:
- 1. Calculate wall area: 2 × (16 + 18) × 8 = 544 sq ft
- 2. Multiply by coats: 544 × 3 = 1632 sq ft total
- 3. Divide by coverage: 1632 ÷ 375 = 4.4 gallons
- 4. Round up: 5 gallons (always round up)
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Frequently Asked Questions
A 16x18 room with 8ft ceilings needs approximately 5 gallons of paint for 3 coat(s), based on 544 sq ft of wall area.
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