Twin 37"H 38"W 78"L and extends to 44"W. Full 37"H 38"W 78"L and extends to 54"W. Queen 38"H 39"W 63"L and extends to 80"W. The Futon Sofa is very comfortable and will adapt to most any room. It can also be converted to a spare bed with very little effort. This plan comes with three sizes.