A queen size bed is 60 inches wide by 80 inches long. The height of a queen size mattress can range from 8 inches to over 14 inches. The dimensions of a queen size bed frame can vary depending on the style, but it is typically between 62-65 x 82-85 inches. A queen size bed is a popular option for couples and can comfortably accommodate two people. If you sleep alone but enjoy spreading out in bed or have a taller body, a queen size mattress may also be a good choice.