A gallon of paint typically costs $20-$80, with an average near $45 for commonly purchased residential paint. The price depends on paint type, brand, finish, and quality; labor, primer, and supplies are separate expenses if the paint is part of a larger project.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Interior paint, per gallon | $20 | $40 | $100 | Standard to premium quality |
| Exterior paint, per gallon | $30 | $55 | $100 | Weather-resistant formulas |
| Primer, per gallon | $15 | $30 | $60 | Specialty primers can cost more |
| Professional painting labor | $25 | $50 | $100 | Hourly rate; varies by location |
Average gallon prices for interior and exterior paint
For ordinary indoor walls, budget $20-$50 per gallon for basic or midgrade latex paint. Better coverage, washable finishes, and established premium lines commonly bring the price to $50-$100 per gallon. Exterior paint often runs $30-$80 per gallon because it is formulated to handle moisture, sunlight, and temperature changes; specialty coatings can exceed that range.
A practical national estimate is about $40 for a gallon of interior paint and $55 for exterior paint. These are retail estimates, not fixed prices: local promotions, brand, color choice, and container size can shift the shelf price. Assumptions: U.S. retail pricing for standard one-gallon containers, before tax and delivery.
What paint, primer, and supplies add to the bill
Paint is only one part of a painting purchase. A project may also need primer, rollers, brushes, tape, drop cloths, and surface-preparation products. The table gives typical retail ranges for basic-to-good residential products; tools are reusable, so they may not need to be purchased for every room.
| Purchase | Low | Average | High | Typical basis |
|---|---|---|---|---|
| Interior wall paint | $20 | $40 | $100 | Per gallon |
| Exterior paint | $30 | $55 | $100 | Per gallon |
| Primer | $15 | $30 | $60 | Per gallon |
| Brush and roller supplies | $15 | $35 | $75 | Basic project set |
| Tape and drop cloths | $10 | $25 | $50 | Small room allowance |
For a do-it-yourself room, allow roughly $45-$100 beyond the paint price for primer and basic consumables. Costs rise if walls need patching, stain-blocking primer, or several coats.
How sheen, paint grade, and resin affect the price
Interior flat and matte finishes are often among the lower-priced options, while eggshell, satin, and semi-gloss may cost more depending on the line. A washable premium paint can be worth considering in kitchens, hallways, and children’s rooms, where walls need frequent cleaning. Exterior formulas with stronger weather resistance and higher-quality resins also tend to sit toward the upper end of the price range.
Color can matter, too. Deep, vivid shades may require a tinted base or extra coats, and some brands charge more for certain colors or finishes. Compare prices within the same product line and finish rather than judging paint by the gallon price alone.
How much wall area one gallon can cover
Many paints cover about 350-400 square feet per gallon on a smooth, previously painted surface with one coat. Porous drywall, rough siding, major color changes, or a textured wall can reduce coverage to around 250-350 square feet. Two coats roughly double the paint quantity, though the actual amount depends on the product label and surface condition.
For example, a 12-by-12-foot room with 8-foot ceilings has about 384 square feet of wall area before subtracting doors and windows. Two coats may call for around 2-3 gallons, depending on coverage and waste. Check the label’s coverage estimate and calculate for the number of coats before buying.
What professional labor adds to gallon-based paint costs
A painter’s labor charge is separate from the paint’s shelf price. U.S. hourly rates commonly fall around $25-$75 per worker, while difficult prep, specialty finishes, or high-cost metro areas can push rates toward $100 per hour. Some contractors instead quote by room, wall area, or the full project, with paint and supplies itemized or included.
For a simple room needing 8-16 labor hours, labor alone could be about $200-$1,200 at those hourly rates. Repairs, trim work, moving furniture, and extensive masking can add time. Ask whether the quote includes paint, primer, prep, cleanup, and a second coat.
How paint prices vary across U.S. regions
Retail prices are often similar across broad regions, but local sales and store availability create noticeable differences. Professional labor is more sensitive to location: metropolitan areas with higher wages may price painting work roughly 10%-30% above a national-market estimate, while some rural markets may come in 5%-15% lower. Delivery charges can also affect remote purchases or large orders.
These percentages are budgeting guides, not guarantees. Compare local store prices and contractor quotes using the same brand, finish, gallon count, and prep scope. Assumptions: Regional differences reflect typical labor and market variation; promotions and local conditions can change actual quotes.
Three paint budgets for common buying situations
A single gallon for a small touch-up is usually a $20-$80 purchase, depending on whether it is standard interior paint or a premium formula. A 12-by-12-foot room needing two coats may require 2-3 gallons, putting paint at roughly $40-$240, plus primer or supplies if needed. A 500-square-foot exterior wall area may take about 2-3 gallons for one coat, or roughly $60-$300 for paint alone.
These examples assume typical coverage and do not include professional labor. Rough siding, bare surfaces, color changes, and multiple coats can increase the gallon count. For a contractor quote, confirm whether the stated total covers the paint and all surface preparation.
Ways to lower a paint bill without cutting coverage
Measure the surfaces and estimate coats before buying; extra gallons can be avoidable, while too little paint may lead to a mismatched batch. Compare prices for the same product line and finish, and check whether a larger container has a lower per-gallon price when the project needs several gallons. A store’s mistint paint can cost less, but the available color and quantity may not suit a planned job.
Limit upgrades to areas that need added washability or weather resistance, and use the correct primer rather than relying on expensive paint to hide stains or bare material. For professional work, compare at least three itemized quotes with matching paint, coat count, prep, and cleanup.