Ezekiel 43:13 in the King James Version
And these are the measures of the altar after the cubits: The cubit is a cubit and an hand breadth; even the bottom shall be a cubit, and the breadth a cubit, and the border thereof by the edge thereof round about shall be a span: and this shall be the higher place of the altar.
Context
12 “This is the law of the house. On the top of the mountain the whole limit around it shall be most holy. Behold, this is the law of the house.
13 “These are the measurements of the altar by cubits (the cubit is a cubit and a hand width): the bottom shall be a cubit, and the width a cubit, and its border around its edge a span; and this shall be the base of the altar.
14 From the bottom on the ground to the lower ledge shall be two cubits, and the width one cubit; and from the lesser ledge to the greater ledge shall be four cubits, and the width a cubit.