Paint House Walls: How much paint is required to paint house walls

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How much paint is needed to paint house walls

Being aware of how much paint is required to paint a room can help you to create an accurate plan before starting the painting process. It is necessary to know the precise amount of paint required before starting a new house painting project.. Knowing how much paint is required to paint a room can help you to select the right type of paint in the right quantity according to your budget.

Using a Paint Calculator to Know the Amount of Paint Required

There are different ways to precisely calculate the paint required per square foot to cover the entire surface area of your painting project. One way to know the quantity of paint per square foot is to use a paint budget calculator that will provide the paint required per square foot with the pricing. A paint calculator will consider different variables such as type of paint used, type of surface, number of coats, dimensions of the wall, etc. to accurately provide how much paint per sq ft will be required.

You can also get a rough estimate of how much paint per sq ft will be required for your painting project by using a simple calculation. You need to know the dimensions of the room that you are planning to paint for calculating the quantity of paint per square foot. Being aware of how many litres of paint for a room is required will help you to plan your painting budget for a seamless house painting experience.
 

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How Much Paint is Required to Paint a Room?

You need to calculate the entire surface area of the room to start calculating how many litres of paint for a room will be required. Then you need to subtract the total surface area covered by windows and doors that won’t require painting. Then you need to divide the remaining surface area with the surface area that will be covered by 1 litre of paint. Let’s take a look at the exact steps to follow to calculate the paint required per square foot.

  1. Calculate the perimeter of the room by adding the length of each wall in the room
  2. Measure the height of the room and multiply the height by the perimeter to get the surface area of the room
  3. Calculate the individual surface area of each window and door present in the room and add them together
  4. Subtract the total surface area of windows and doors from the entire surface area of the room to get the paintable surface area in the room

 

To calculate how much paint per sq ft, you need to know approx. how much area will be covered by 1 litre of paint. As a general rule of thumb, let’s consider that 1 litre of paint will cover around 130 sq ft. Now, different types of paint will have different coverage of the surface per square foot. You can refer to the manufacturer’s guide to knowing how much paint per sq ft will be required to help calculate how much paint is required to paint a wall.

  1. Divide the paintable surface with the surface area that will be covered by 1 litre of paint
  2. This calculation will provide the paint for one room that will be needed for your painting project
  3. This formula will also provide how much paint is required to paint a wall in your room
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A case for Calculating Paint for One Room

Let’s consider a room where the length of each wall in the room is 10 feet and the height of the room is 7 feet.

  1. Perimeter of room = 10+10+10+10 = 40 feet
  2. The surface area of the room = 40x7 = 280 sq. ft

Now, consider the surface area of each window and door is 15 sq ft. and 20 sq. ft. respectively

  1. Surface area not covered by paint = 20+15 = 35 sq. ft
  2. Total paintable surface area =280-35 = 245 sq. ft

Assuming 1 litre of paint covers 130 sq. ft. depending on how many coats of paint on interior walls are used.

  1. Amount of paint required = 245/130 = 1.8 ~ 2 litre

Therefore, around 2 litres of paint will be required to cover a room of the above-mentioned dimensions. You can also use this method to know how much paint is required to paint a wall depending upon how many coats of paint on interior walls are used.

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How Can Asian Paints Help You with Painting your Dream Home?

The Asian Paints Safe Painting Service is a one-stop solution for all your painting needs. The Asian Paints Safe Painting Service provides different facilities such as colour consultation, supervised painting, and trained professionals that will provide a clean and precise paint job. Asian Paints is a quality painting company that provides post-painting professional cleaning with deep sanitization and 1-year service product warranty.

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