Ezekiel 43:13

13“And these are the measurements of the altar by cubits (the cubit being a 43:13 A cubit and hand width equals about 21 in. or 53 cmcubit and a hand width): the 43:13 Lit lapbase shall be a cubit and the width a cubit, and its border on its edge all around one span; and this shall be the height of the 43:13 Or backbase of the altar.