Twin (single) bed frames are roughly 40-43 by 77-80 inches and fit a twin mattress. A frame of this size is a good option for a toddler transitioning into their first big kid bed, older … See more

Twin XL mattresses and bed frames are the same width as twin bed frames, however, they’re about 5 inches longer. The extra length better accommodates people of different siz… See more

Full bed frames are the same length as a twin bed frame, but they’re 16 inches wider so sleepers aren’t so cramped. Full mattressesare an excellent option for any single slee… See more

Queen beds and bed frames are the most popular mattress size for single adults. The beds are wide, but long, measuring 62-65 by 82-85 inches, so it’s a good fit for the average ad… See more