How Much Paint for a 16x20 Room

Quick Answer: A 16x20 room with 9ft ceilings needs 2 gallons of paint for 1 coat(s).

Wall Area648 sq ft
Total Coverage Needed648 sq ft
Paint Needed2 gallons
Primer (if needed)1 gallons
Ad Placeholder (top)

Customize Your Estimate

$87 - $112
Total Estimate
$97
Materials
$0
Labor
6 hrs
Est. Time

Paint Calculation Formula

Here's how we calculated paint needs for your 16x20 room:

  1. 1. Calculate wall area: 2 × (16 + 20) × 9 = 648 sq ft
  2. 2. Multiply by coats: 648 × 1 = 648 sq ft total
  3. 3. Divide by coverage: 648 ÷ 375 = 1.7 gallons
  4. 4. Round up: 2 gallons (always round up)
Ad Placeholder (mid)

Frequently Asked Questions

A 16x20 room with 9ft ceilings needs approximately 2 gallons of paint for 1 coat(s), based on 648 sq ft of wall area.

Related Tools

Ad Placeholder (bottom)