How much paint is needed for a 12’x12 ‘ room? You’d need about 1.5 gallons of paint to cover a 12’x12 ‘ room with 8-foot-high walls.
One gallon (3.8 liters) of paint can cover about 350 sq. ft (32.5 m2). Since the average doors count as approximately 20 sq.
The amount of paint required is therefore: Surface area: 42 square metres. Divided by ÷ Spreading rate: 11 square metres per litre. Multiplied by x. Number of coats: 2 coats. Equals = 42/11 x 2 = 7.6 litres. This tells us that 7.6 litres of paint is required to paint two coats onto the living room walls.
How Much Paint do You Need? Picture Guide – Exterior + Interior
|House Size||Body||Total Gallons|
|1500 sq ft.||8||10|
|2500 sq ft.||12||15|
|3500 sq ft.||15||19|
|5000 sq ft.||20||27|
One gallon can of paint will cover up to 400 square feet, which is enough to cover a small room like a bathroom. Two gallon cans of paint cover up to 800 square feet, which is enough to cover an average size room. This is the most common amount needed, especially when considering second coat coverage.
A gallon of paint costs an average of $25 to $50 and covers about 350 square feet with one coat. Designer varieties can run over $100 per gallon.
How do painters calculate square footage? Painters calculate the square footage by multiplying the length of each room in your home by their corresponding width to determine the total amount of square footage in a particular space.
Always prime your walls before painting if the surface is porous. The surface is porous when it absorbs water, moisture, oil, odors or stains. This material will literally absorb your paint right into it if you don’t prime first. Untreated or unstained wood is also very porous.
|Product (1 Gal. Interior)||Semi-Gloss||Eggshell|
|Behr Premium Plus||$29||$27|
The area of surface covered per coat of paint at a specified dry film thickness per unit volume of coating material. Spreading rate generally is indicated by square feet covered per gallon or square meter covered per liter of paint.
For an emulsion paint (used on interior walls and ceilings), 1 litre of paint will cover approximately 12 square metres per coat. However, it depends on the type of paint being used, the condition of the surface and how it has been prepared.
You’ve determined that there’s 500 square feet of wall surface to cover. Those walls will require two coats, so you’ll ultimately be covering 1,000 square feet. At 325 square feet per gallon, you’ll need a little over 3 gallons ( 1,000 ÷ 325 = 3.08 gallons, to be precise).
Exterior Home Painting Costs Per Square Foot
|Total Paintable Area*||Average Total Cost|
|1,200||$600 – $4,200|
|1,300||$650 – $4,550|
|1,400||$700 – $4,900|
|1,500||$750 – $5,250|
A gallon of Benjamin Moore paint goes for about $50, (depending on the product line).
Paint usually is applied at 350 to 400 square feet per gallon (primer at 200 to 300 square feet per gallon). Use the Area section below to calculate the walls and ceiling values. This calculator is to be used as an estimating tool ONLY.