10x12 Room Paint Calculator
Need to know how much paint to buy for a 10x12-foot room? At 120 square feet of floor area, this is a medium-sized room. Our pre-calculated estimates below show exactly how many gallons you need for two coats of standard paint, with deductions for one door and 2 windows.
Pre-Calculated Paint Estimate
2
gallons
This range covers 301 square feet with 2 coats. The likely estimate is 1.51 gallons before the selected buffer. If you are buying whole gallons, plan on 2.
View Detailed Breakdown
Based on a 10x12 ft room with 8-ft ceilings, 1 door(s), and 2 window(s). Paint at 400 sq ft/gallon with a 15% buffer.
Your paint run
10x12 ft room, 2 coats
Supplies for this room
- Interior wall paint You need about 2 gallon(s) of wall paint. Browse paint
- 9-inch roller kit with tray A 9-inch roller kit with a tray covers walls quickly. View roller kits
- Painter's tape Tape off trim and ceilings for sharp edges. View tape
- Canvas drop cloth Cover floors before the first can opens. View drop cloths
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Hiring a painter for this room usually runs $400 to $900, paint included. Prices vary with where you live and the condition of the walls. See how painters price a room.
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You've got your paint numbers. Get quotes from local painters for this job.
Flat or eggshell finish recommended for bedrooms. Low-VOC paint is ideal for better air quality.
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Tips for This Room
- A 10x12 room (120 sq ft) is efficiently covered with standard 1-gallon cans.
- 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.
Ready to Start Your Project?
Everything you need to get professional results.
Paint supplies kit
Rollers, brushes, tape, and drop cloths in one box.
Shop suppliesInterior wall paint
Top-rated interior paint for walls.
Browse paintAirless paint sprayer
Saves hours on big rooms and whole-house jobs.
View sprayersProduct links go to Amazon.com
Frequently Asked Questions
How much paint do I need for a 10x12 room?
A 10x12 room with 8-foot ceilings has approximately 352 square feet of wall area before deductions. After accounting for one door and 2 windows, you will typically need about 2 gallons for two coats of standard paint.
How many square feet of wall space does a 10x12 room have?
A 10x12 room with standard 8-foot ceilings has 352 square feet of total wall area. After subtracting for doors and windows (typically 51 sq ft), the net paintable area is about 301 square feet.
Is a 10x12 room a standard bedroom size?
Yes, 10x12 (120 sq ft) is a common bedroom size in many homes. It comfortably fits a queen bed with nightstands. Budget about 2 gallons of paint for two coats on the walls.
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