Paint Room Calculator
Determine the exact amount of paint needed for your room. Enter dimensions, number of doors and windows, choose paint finish, and get gallons needed plus a full supply list with costs.
Paint Estimate
How to Use Paint Room Calculator
- 1Enter room length, width, and ceiling height
- 2Specify number of doors and windows
- 3Choose paint finish and number of coats
- 4View gallons needed, supply list, and total cost
Frequently Asked Questions
How much paint do I need for a 12x14 room?▾
A 12x14 room with 8ft ceilings and 2 coats needs about 3-4 gallons of paint. This accounts for 2 doors (42 sqft) and 2 windows (30 sqft) deducted from the total wall area.
How many coats of paint should I apply?▾
Two coats are recommended for most projects. One coat often shows streaks and uneven coverage. Use primer first when painting over dark colors, new drywall, or stains.
What paint finish should I use?▾
Flat for ceilings and low-traffic areas, eggshell for living rooms, satin for kitchens/hallways, semi-gloss for bathrooms and trim, and high gloss for doors and cabinets.
About Paint Room Calculator
Determine the exact amount of paint needed for your room. Enter dimensions, number of doors and windows, choose paint finish, and get gallons needed plus a full supply list with costs.
NexTool's Paint Room Calculator is completely free to use with no sign-up required. Your data is processed directly in your browser and never sent to our servers, ensuring complete privacy and instant results.
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