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Wall and ceiling calculators
Planning to paint, hang drywall or wallpaper a room? Each calculator takes your room size in feet and inches, subtracts doors and windows, adds the waste the trades plan for and tells you what to buy in store units: gallons and quarts, 4 by 8 or 4 by 12 sheets, or double rolls.
3 free calculators
Walls and ceilings guides
Walls and ceilingsBenjamin Moore's 2027 Color of the Year is Webster Green. Here's how much paint a door, a room or a drenched study takesBenjamin Moore just named Webster Green (HC-130) its 2027 Color of the Year. What the color is, where Benjamin Moore says to use it, and exactly how much paint to buy.October 16, 2026
Walls and ceilingsCelery is the 2027 Color of the Year. Here's how much paint a Celery room really takesSherwin-Williams picked Celery (SW 6421), Behr went olive, and searches for the new greens are surging. What the 2027 colors are, where they work, and exactly how much to buy.October 15, 2026