How Much Paint for a 12x12 Room

Quick Answer: A 12x12 room with 9ft ceilings needs 4 gallons of paint for 3 coat(s).

Wall Area432 sq ft
Total Coverage Needed1296 sq ft
Paint Needed4 gallons
Primer (if needed)2 gallons
Ad Placeholder (top)

Customize Your Estimate

$269 - $344
Total Estimate
$299
Materials
$0
Labor
4 hrs
Est. Time

Paint Calculation Formula

Here's how we calculated paint needs for your 12x12 room:

  1. 1. Calculate wall area: 2 × (12 + 12) × 9 = 432 sq ft
  2. 2. Multiply by coats: 432 × 3 = 1296 sq ft total
  3. 3. Divide by coverage: 1296 ÷ 375 = 3.5 gallons
  4. 4. Round up: 4 gallons (always round up)
Ad Placeholder (mid)

Frequently Asked Questions

A 12x12 room with 9ft ceilings needs approximately 4 gallons of paint for 3 coat(s), based on 432 sq ft of wall area.

Related Tools

Ad Placeholder (bottom)