**To calculate the area of a wall, use the standard formula of length x width = area.**

## How to Calculate Wall Area from Floor Area?

Calculating the wall area of a room from the floor area can be a complicated task, especially if youâ€™re not familiar with basic mathematics. Wall area is the total surface area of all the walls in a room, and itâ€™s important to know when planning a renovation or building project. Fortunately, thereâ€™s a straightforward formula you can use to calculate wall area from floor area. Hereâ€™s how to do it.

First, youâ€™ll need to measure the floor area of the room. Measure the length and width of the room in feet, and multiply these two numbers together to get the floor area. For example, if the room is 20 feet long and 10 feet wide, the floor area would be 200 square feet.

Next, youâ€™ll need to figure out the height of the walls. Again, measure the height of the walls in feet and record the number. In our example, letâ€™s assume the walls are 8 feet tall.

Now youâ€™ll need to do a simple calculation. Multiply the floor area by the wall height, and then multiply that number by 4. This will give you the total wall area of the room. In our example,

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