Ezekiel 43:16 in the World English Bible
The altar hearth shall be twelve cubits long by twelve wide, square in its four sides.
Context
15 So the altar shall be four cubits; and from the altar and upward shall be four horns.
16 And the altar shall be twelve cubits long, twelve broad, square in the four squares thereof.
17 And the settle shall be fourteen cubits long and fourteen broad in the four squares thereof; and the border about it shall be half a cubit; and the bottom thereof shall be a cubit about; and his stairs shall look toward the east.