Choosing the right rug size is more than just following a chart. While standard sizes of area rugs like 5x8, 6x9, and 8x10 work for most rooms, design is about balance—and sometimes breaking the rules. This guide explores area rug measurements, when to use different rug sizes, and how to style unique spaces like a rug size for 10x10 room. Not sure what size rug for 10x10 room fits best? We've got expert tips to help you decide.