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16x16 Room Paint Calculator

Need to know how much paint to buy for a 16x16-foot room? At 256 square feet of floor area, this is a large-sized room. Our pre-calculated estimates below show exactly how many gallons you need for two coats of standard paint, with deductions for two doors and 3 windows.

Pre-Calculated Paint Estimate

Low

2.2

gal

Likely

2.4

gal

High

2.8

gal

This range covers 425 square feet with 2 coats. The likely estimate is 2.13 gallons before the selected buffer. If you are buying whole gallons, plan on 3.

Flat or eggshell finish recommended for bedrooms. Low-VOC paint is ideal for better air quality.

View Detailed Breakdown
Wall Area: 512 sq ft
Deductions: -87 sq ft

Net Paintable Area: 425 sq ft
Base Coverage Rate: 400 sq ft/gal
Adjusted Coverage: 400 sq ft/gal
With 2 Coats: 850 sq ft needed
+ 15% Waste Buffer: +0.32 gal

Based on a 16x16 ft room with 8-ft ceilings, 2 door(s), and 3 window(s). Paint at 400 sq ft/gallon with a 15% buffer.

See the formula and assumptions

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Tips for This Room

  • A 16x16 room (256 sq ft) benefits from buying a 5-gallon bucket for consistent color and better value.
  • Always buy slightly more paint than calculated - extra paint is useful for future touch-ups.
  • Two coats are recommended for even color coverage and better durability.
  • Test your color on a 2-foot square section of wall before committing to the entire room.

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Frequently Asked Questions

How much paint do I need for a 16x16 room?

A 16x16 room with 8-foot ceilings has approximately 512 square feet of wall area before deductions. After accounting for two doors and 3 windows, you will typically need about 3 gallons for two coats of standard paint.

How many square feet of wall space does a 16x16 room have?

A 16x16 room with standard 8-foot ceilings has 512 square feet of total wall area. After subtracting for doors and windows (typically 87 sq ft), the net paintable area is about 425 square feet.

How much paint for a 16x16 room ceiling?

A 16x16 ceiling is 256 square feet. You will need about 1-2 gallons of ceiling paint for two coats. Ceiling paint is thicker than wall paint and formulated to minimize drips overhead.

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