Whole interior

How much paint for a 2,000 sq ft house?

How much paint for a 2,000 sq ft house? Buy 25 gallons + 1 quart to give every interior wall two coats at 8 ft ceilings, or 13 gal for one coat. A house carries about 2.2 sq ft of paintable wall per sq ft of floor after doors and windows (our factor), so 2,000 sq ft of house is roughly 4,400 sq ft of wall.

SurfaceAreaCoatsBuy
All walls4,400 sq ft113 gal
All walls4,400 sq ft225 gal + 1 qt
All ceilings (flat white)2,000 sq ft211 gal + 2 qt
Trim & doors (semi-gloss)varies21 to 2 gal

Nobody paints a whole house in one color, and that matters for the shopping list: gallons split across four colors round up four times. If your plan is greige everywhere plus one accent wall and a moody office, price the big color from this page and the small ones with the single-wall calculator.

What the job costs (estimate)

The wall paint itself is about $1,145 for two coats in a $45 mid-grade line (25 gallons + 1 quart), with ceilings and trim bought as their own cans. Labor is where a whole-house repaint lands: painting every interior wall in a house this size typically runs $3,200 to $6,500 in most markets, walls only, no ceilings or trim. That is a planning band, not a quote, and it swings on wall height, prep, and how many colors you run.

Price grades, ceilings, trim, and primer on the paint cost calculator.

Tune it

Wall area (2.2x floor)
Exact gallons, walls
CC-INT · whole house350 sq ft / gal / coat

Where the pail becomes the default purchase

Twenty-five gallons and a quart is five 5-gallon pails plus a quart, and 2,000 sq ft is the point where buying the main color in gallons stops making sense. A pail costs less per gallon, saves you four lid seams to prise and reseal, and feeds a bucket screen directly instead of a tray you refill forty times.

The offsetting risk is that a pail commits you. A gallon of a color you turn out to dislike is a forty-five dollar mistake; a pail is a two hundred dollar one. Buy a sample quart, roll two coats on a two-foot square of the actual wall, and look at it after dark under the lamps you actually own. That evening buys more here than at any smaller size.

Two thousand square feet is also where the DIY calendar breaks. Prep, cutting in, and two coats over 4,400 sq ft of wall is three to four days flat out for two people. Spread across weekends it is a month, and a month means living with the furniture stacked in the middle of every room you have not finished.

Questions people ask

Is that every room, or the rooms people actually paint?

Every wall in the house, twice. Real repaints usually skip closets, the garage, and a room or two, so treat 25 gallons + 1 quart as the whole-hog ceiling and subtract rooms you're leaving alone. One 12x12 room is roughly 2 gallons of the total.

How much for ceilings and trim on top?

Ceilings across 2,000 sq ft take about 11 gal + 2 qt of flat white for two coats. Trim, doors, and baseboards for a whole house typically run 1 to 2 gallons of semi-gloss (2 to 3 for larger houses), painted from their own can.

Do 9 ft ceilings change it much?

By 12.5%: wall area scales straight with height. At 9 ft this house carries about 4,950 sq ft of wall and wants 28 gal + 2 qt for two coats. The calculator has a height setting.

Other house sizes

Same floor area, outside walls: the exterior calculator takes your footprint, story count, and real door and window counts. Have room measurements instead? Use the room paint calculator room by room. One accent color: single-wall calculator. Materials dollars: paint cost calculator.