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Carpeting adds value to the home and when placed in the right rooms, makes it room warmer, both literally and figuratively. Once you answer the following questions, you can determine how much carpet you need by using our carpet and stair carpet calculator at the bottom of this page.

Afterwards, when you’re ready to install, ImproveNet can connect you with a local carpet pro.

Type Of Carpet

With any new carpet project, you first have to determine what kind of carpeting you want to have. There are a wide variety of carpet types to choose from, both in style and fabric type. In terms of style, they can be woven, needlefelt, knotted, or tufted—just to name a few. Each has their own strengths and weaknesses in terms of feel, durability and look. They also vary in price when mixed with the different fabrics they can be made from, including nylon, polypropylene, wool or wool-blends, polyester, and acrylic. The best way to know which suits your needs is to feel them and talk to a carpeting expert about which does best in your kind of home.

Carpet Calculator

Once you decide which kind you want, it’s time to figure out how much you need for the home you plan to carpet. The goal when laying carpet is to not have seams or as few as possible. To determine a floor's square footage, measure the room and draw the room. Be sure to accurately draw in windows or angled walls. Measure the width of the room at its widest point. Measure the length of the room at its longest stretch. Then multiply those two longest points by each other to determine the square footage of the room. Carpeting is usually sold by square yard, but some dealers give a square-foot price. Most come in rolls of 9, 12, or 15 feet wide. If there has to be a seam, place it away from the doorway and somewhere where a lot of people will not be walking over it.

For stairs, measure one stair tread (the horizontal part) from one side to the other side of the rail to the wall and then round it off to the nearest foot. Then measure the stair from the bottom to the top of the tread (the vertical part) and round off to the nearest foot. Multiply these two together to determine the area of the stair. Add three inches if you plan to use carpet padding. Count all the stairs and multiply that number by the area to determine how many square footage of carpet you’ll need.





Total area to be carpeted:
Amount of carpet needed:

Last updated on Feb 14, 2017

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