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When you say "square footage", that usually means the area of the floor, and yes, you get that by multiplying (length of the room) x (width of the room). That tells you how much carpet you need for the floor.

The walls and the ceiling also have their own "square footage". You have to know that to do things like paint and wallpaper. The ceiling has the same area as the floor. But for the walls, you have to do another whole different calculation.

The easy formula for square footage of the walls is circumference (the distance around the room at the floor level) X the height of the wall (at the tallest point if the walls are uneven or have a peak). If the walls have a large number of windows, doors or other areas not to be painted, you may want to figure the rough square footage of these (estimate low, better to have a bit too much paint than a bit too little) and subtract that from your total.

If you are estimating square footage for paint remember you may want to do two coats. If you are estimating for wallpaper, be sure to allow for the "pattern repeat".

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13y ago

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Related Questions

How to determine square footage?

In order to calculate the square footage you need to find the length and the width of the room in feet. You multiply the length and the width to give you the square footage of the room


How do you determine square footage?

Multiplying length by width equals square footage


How do you figure out the square footage of a home?

To figure out the square footage of a home, you measure the length and width of each room and then multiply the length by the width. Add up the square footage of all the rooms to get the total square footage of the home.


How can I find the square footage of a house?

To find the square footage of a house, measure the length and width of each room, then multiply the length by the width to get the square footage of each room. Add up the square footage of all the rooms to get the total square footage of the house.


How to find out the square footage of a house?

To find the square footage of a house, measure the length and width of each room, then multiply the length by the width to get the square footage of each room. Add up the square footage of all the rooms to get the total square footage of the house.


How do you find the square footage of a flat surface?

Length x width = square footage


How can I determine the square footage of my home?

To determine the square footage of your home, measure the length and width of each room in feet, then multiply the length by the width to get the square footage of each room. Add up the square footage of all the rooms to get the total square footage of your home.


How to find the square footage of a home?

To find the square footage of a home, measure the length and width of each room in feet, then multiply the length by the width to get the square footage of each room. Add up the square footage of all the rooms to get the total square footage of the home.


How to find the square footage of a house?

To find the square footage of a house, measure the length and width of each room in feet, then multiply the length by the width to get the square footage of each room. Add up the square footage of all the rooms to get the total square footage of the house.


How do you find the square footage of your house?

If your wanting the entire square footage you can measure the width and length of your home from the outside. If your wanting to know the square footage of the heated space, measure each room width and length that have air ducts. Multiply the width and length measurements.


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How can I find the square footage of a property?

To find the square footage of a property, measure the length and width of each room or area, then multiply the length by the width for each space. Add up the square footage of all the rooms to get the total square footage of the property.