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Assume/ing the room is rectangular, measure the length along one wall in feet and the length along another wall that meets it, also in feet, and then multiply the two measured lengths together.

If you have an odd shaped room, for example it may be L shaped, split the room up into rectangles, measure and calculate the area of each rectangle, and the area of the whole room is the sum of the areas of the rectangles:

.............................................

...------................-----.........

...|.......|................|.....|........

...|.......|................|..A.|........

...|.......|.......-->...|......|........

...|.......----...........|--------...

...|............|...........|...........|...

...|............|...........|....B.....|...

...|............|...........|...........|...

...---------............---------...

Area of the L shape[d room] on the left is the sum of the areas of the rectangles A & B on the right.

If you are looking to buy carpet, it is normally sold in rolls of nominal width 13'2" (4m) or 16'5" (5m) and you have to buy in lengths of the full width of the roll.

A 4m wide roll at 5.99 a sq m equates to 4 x 5.99 = 23.96 per metre of length.

So if your room is 8' x 12', the minimum you would need is 8' (about 2.5m) from a 13'2" (4m) roll which would cost 2.5 x 23.96 = 59.90 (from the above carpet).

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Q: How do you measure a room to find out what the square footage it is?
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Square footage requires two measures of a rectangular room. There is only one measure given.


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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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The length times the height of the wall will give you the square footage of that wall. Do that for both the long and short walls, and multiply the result by two. If the room is square, just measure one wall, find the square footage, and multiply by four. Don't forget to measure the length and height of any doors and windows, and subtract the total from the area of the walls.


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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


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Square footage is a measure of an area. It is usually for areas for which square feet is a sensible measurement unit, such as a room, or a house. However, we have had people asking about the square footage of countries!


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How do you get the square footage of a room when the room is 19 feet long and 17 feet wide?

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