Dining Room paint calculator

A typical dining room needs about 2 gallons

Based on a standard 12 × 12 ft dining room with 9-ft ceilings, the walls work out to about 375 sq ft after subtracting 2 doors and 1 window. A standard two-coat repaint needs roughly 2 gallons of quality interior paint. The recommended finish for a dining room is eggshell — more on why below.

This Is The Room To Go Dark

Deep navy, oxblood, forest, charcoal, and warm terracotta all shine in a dining room because it is an evening space — lit by a pendant, candles, and lamps rather than harsh daylight. Saturated color makes the room feel intimate and dressed-up exactly when you use it most, at dinner. The same color in a bedroom or kitchen would feel heavy. If there is one room in your home to be brave with color, this is the one.

Budget Extra Coats For Saturated Color

Deep, rich colors are mostly tint and little white base, which means they cover thinly and unevenly in two coats — you get patchy depth and roller streaks showing through. Plan on three coats for a true dark color, and use a tinted gray primer underneath to help the topcoat reach full richness faster and more evenly. Skimping on coats is the most common reason a dark dining room looks blotchy instead of velvety.

Consider A Chair Rail Or Two-Tone Wall

Dining rooms are the classic home for a two-tone wall split by a chair rail — a deeper color or wainscoting below, a lighter tone above. It is practical, since the lower wall takes scuffs from chairs being pushed back, and it dresses the room up for formal use. If you add it, paint the lower section in a more durable satin and the upper in eggshell, and keep the two colors clearly related so the split reads intentional.

How the dining room paint math works

Wall area is perimeter × ceiling height: (2 × 12 + 2 × 12) = 48 ft of perimeter, times a 9-ft ceiling, equals 432 sq ft of gross wall. We subtract 21 sq ft per door and 15 sq ft per window, leaving about 375 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 144 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 dining room

Doing it yourself, the paint for two coats runs about $80–$140 (roughly 2 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 144 sq ft dining room lands around $288–$720. 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 dining room into an exact paint cost:

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