Living Room paint calculator

A typical living room needs about 2 gallons + 3 quarts

Based on a standard 16 × 14 ft living room with 9-ft ceilings, the walls work out to about 489 sq ft after subtracting 1 door and 2 windows. A standard two-coat repaint needs roughly 2 gallons + 3 quarts of quality interior paint. The recommended finish for a living room is eggshell — more on why below.

Test The Color In Your Own Light

Living rooms get the widest swing of light in the house — bright daylight from two windows, then warm lamps at night. A gray can go blue at noon and muddy after dark; a beige can flash pink. Paint a 2-ft square on two different walls and watch it across a full day before you buy gallons. North-facing rooms read cooler, so warm the color up; south-facing rooms can take a cooler, calmer tone.

Plan The Flow Into Adjoining Rooms

Living rooms rarely stand alone — they open to a hallway, dining room, or kitchen through wide doorways and sightlines. Where you can see two rooms at once, keep the wall colors in the same family or carry one trim color through both so the transition reads intentional. A hard color change works at a real doorway with a frame; an abrupt switch across an open sightline looks like you ran out of paint.

Handle Tall And Vaulted Walls

Standard 9-ft living room walls are manageable, but vaulted or open-to-the-second-floor rooms can run 16 to 22 ft. At that height the math and the method both change — add for the extra area and plan on scaffolding or a sprayer, because a roller on an extension pole leaves streaks and you cannot keep a wet edge two stories up. Triangular gable walls also need careful measuring since the top tapers to a point.

How the living room paint math works

Wall area is perimeter × ceiling height: (2 × 16 + 2 × 14) = 60 ft of perimeter, times a 9-ft ceiling, equals 540 sq ft of gross wall. We subtract 21 sq ft per door and 15 sq ft per window, leaving about 489 sq ft of paintable wall. Multiply by the number of coats, divide by a coverage rate of about 388 sq ft per gallon, and round up to the nearest quart — that is the number you take to the store. Change any input in the calculator above and it recalculates instantly.

Paint needed by coats

Two coats is the right default for almost every repaint. Use one coat only for a same-color refresh, and three for dark-over-light changes or vivid colors that cannot hide in two. The ceiling adds 224 sq ft (length × width) when you choose to paint it — usually a separate flat-white product, so most people buy a dedicated gallon for it.

What it costs to paint a living room

Doing it yourself, the paint for two coats runs about $110–$193 (roughly 2.75 gal at $40–$70 a gallon), plus $50–$100 in supplies — rollers, brushes, tape, trays, and a drop cloth. That is your whole cost if you bring the labor.

Hiring a painter changes the math: most pros charge $2–$5 per square foot of floor area, so a 224 sq ft living room lands around $448–$1,120. Labor is 75–95% of an interior bill because prep, cutting in, and cleanup eat the hours. For a full paint-plus-labor breakdown, use the paint cost calculator.

Paint cost by brand

Coverage is similar (about 350–400 sq ft per gallon) across the major interior lines, so the price tier is what moves your bill. These are current per-gallon prices for the brands the calculator can price for you — pick one in the result panel above and it multiplies your gallons for this living room into an exact paint cost:

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