After you have done the multiplication, subtract about 40 sq feet per window, and about 60 sq feet per door. Divide by 400 (interior paint covers 400 sq feet per gallon). The number that remains, is how many gallons you will need. If doing multiple wall colors, then you should do this process for each room (or sets of rooms) with a particular color. 

Choose the best quality paint you can afford; it lasts longer. Experts estimate that the outside of a house should be painted every 5-7 years, but less-expensive paint may start peeling or fading in 4 years or less while really high-quality paint will hold up a bit longer. Better Homes & Gardens[1] describes and compares the different types of exterior paint while FastFacts.com[2] reviews specific brands.
06/14/17: Renato completed an exterior painting project for our relatively large single family home in Stamford, CT last weekend. Project did not begin well especially with the prep, repair/carpentry work, but then Renato took full control and ensured that the work done was to our satisfaction. The final result is outstanding. Minor damage to window screens, gutters and plants. Ensure that your window screens, gutters, and shutters are numbered and stored indoors or if kept outdoor covered properly against the elements. The project can be extensively delayed due to rain and you may find yourself dealing with insects and/or flooding in basement and dirty/bent/ mismatched screens/gutters/shutters. Overall we had a good team working on our project and we are satisfied with the finished product. The house looks great!
If you are seeking a few gallons of interior house paint for your home, office, or apartment, read our helpful shopping guide. We have compared dozens of brands of interior house paints currently on the market and have compiled a short list of our favorites. Topping that list is Benjamin Moore Ultra Spec 500 Interior Paint, a low-odor, VOC-free formula from one of the most trusted brands in paint.
Like the rest of your home’s exterior, you should start from the top down when painting exterior trim. If your window sills look particularly weather-beaten, you might want to give them a second or third coat of paint. When painting doors, paint the panels first, then the rails and stiles, and finally the edges. For more details, read up on trim painting guidelines.
If you are seeking a few gallons of interior house paint for your home, office, or apartment, read our helpful shopping guide. We have compared dozens of brands of interior house paints currently on the market and have compiled a short list of our favorites. Topping that list is Benjamin Moore Ultra Spec 500 Interior Paint, a low-odor, VOC-free formula from one of the most trusted brands in paint.

Some paints are two-in-one paint and primer products, or so-called "self-priming paints." These paints are designed to seal and cover surfaces in one coat. But, here's the secret: though it's called a paint-and-primer-in-one product, there's actually no primer in the mix—what you're really working with is just a thicker paint that often doesn't perform as well as using separate primer and paint.


Two aesthetic things to consider when selecting a finish are how shiny you'd like the surface to be and whether or not you want to hide any imperfections on the surface to be painted. Generally, higher-gloss paint finishes reflect light better than lower-gloss finishes, like eggshell and matte. That makes them shiny, and also causes them to highlight flaws in walls and ceilings.

Like the rest of your home’s exterior, you should start from the top down when painting exterior trim. If your window sills look particularly weather-beaten, you might want to give them a second or third coat of paint. When painting doors, paint the panels first, then the rails and stiles, and finally the edges. For more details, read up on trim painting guidelines.
The Cutters. Someone with meticulous attention to detail and a steady hand should be assigned the job of "cutting in," or painting a straight edge where needed, such as along a wall where the ceiling does not get painted. Many products are available to assist, but none work as well as a person who's good at doing it freehand. Ensure this person is skilled (ask them to show you). A poor, jagged, wavy or splotched cutting-in job will jump out at you every time you walk by it. Why more than one cutter? This job is nerve-wracking and painful to hands and arms after a few days. You'll want to give this person a break after a few walls.
Rome came to our house to take a look around back in May and promised me a quote by the end of the day-unlike other workers that we've had in the past, Rome stuck by his word and had it to me via email by dinnertime....something that reinforced the initial positive feeling that I had about him as he surveyed our home and listened to my ideas. We hired Rome and he and his crew began working on our home within the following couple weeks. Something we love about Rome is how knowledgable he is when it comes to the range of paint products and colors (we had a general idea that we wanted a light neutral color with a little tint of green and the easiest way for me was to have Rome narrow it down to 2-3 colors), for whatever advice or guidance we needed, he was always (and is always) a phone call away!
If you are painting for a client, skip the paint in the bucket, and use large trays. For faster completion and still quality results the 5 gallon bucket and strainer work great as well as a wood filler, 5-in-1 tool, screw gun (drill), metal joint compound tray, metal putty knife, wide drywall knife, mini hand-held paint containers (for brushes), and a mini-roller and corresponding nap (for edging, after cutting in with brush on the bottom, top and sides of wall, and the sides of ceilings, so that you don't see brush lines).
Exterior paint averages $25-$40 a gallon, and a 3,000-square-foot home takes 15 or more gallons of paint, or $375-$600 just for the paint. However, really premium paint can cost $50-$100 a gallon, or $750-$1,500 for that large home. Doing it yourself also requires renting a pressure washer or sprayer for $50-$100 a day; extra-long ladders or scaffolding at $20-$75 daily; and a power sprayer for $50-$100 daily, plus masking tape, drop cloths and other supplies. However, it's possible to paint a large, two-story house for materials-only costs of $400-$600.
Our highly skilled and experienced house painters can transform the interior or exterior of your home into a work of art you’ll be proud to show off to your guests. Our home painters follow a time-tested process that involves paying attention to the smallest details. We also work quickly and efficiently, while making every effort to minimize disruptions to your family’s lifestyle. And when you factor in our affordable rates, it’s no wonder that Shoreline Painting is homeowners’ top choice when searching for professional painters in CT.
A single gallon of paint can run anywhere from $20 to $80 per gallon. Professionals get a contractor discount of anywhere from 25 to 50 percent. For rough siding, like stucco, you’ll need to use 10% to 20% more paint. Some textures, like wood and stucco, require extra paint because they have more surface to cover in a tiny area compared to smooth siding. Use the highest quality exterior paint your budget will allow for your project. It will look the nicest and save you money by offering better coverage and durability. Better coverage means fewer coats and fewer work hours. You’ll also go a few years longer without needing to shell out more cash for a new coat. How do you know how much paint you're paying for? Here's some helpful math:
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