You can find area rugs in several standard area rug sizes, including 5x8, 8x10, and 9x12 feet. These sizes are appropriate for most rooms. However, if you want to purchase a larger rug, it is important to know how to measure it. To find the right size, take your furniture measurements and use a painter's tape to mark the space. For example, a 3x5 area rug is 3.3 feet by five feet. This size is...