Carpet Calculator — Free Online Carpet Calculator
Estimate carpet in square feet and square yards. 100% free, no signup.
Carpet needed
0 yd²
Floor area0 ft²
With waste0 ft²
In square meters0 m²
How much carpet do I need?
Carpet is usually sold by the square yard. Calculate the room area in square feet (width × length), add about 10% for cuts and seams, then divide by 9 to convert to square yards.
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Frequently asked questions
Why is carpet sold by the square yard?
Carpet typically comes in 12 ft wide rolls and is priced per square yard. One square yard equals 9 square feet.
How much waste should I add?
Add around 10% for a simple rectangular room, and more for rooms with closets, doorways or odd angles that need seaming.
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Download RoomGPT free and preview flooring, color and full redesigns on a photo of your real room.