Guides & Ideas

Bed Sizes Chart: Twin, Full, Queen and King Bed Dimensions, Compared by Room Size

A queen mattress is 60 by 80 inches, but the frame under it can be more than 8 inches wider. This bed sizes chart gives real frame dimensions for twin, full, queen and king beds, compares queen vs king and full vs queen, and shows which bed fits a 10x10, 10x12 or 12x12 room.