Exodus 27:1-2

The Altar of Burnt Offering 1“Build an altar of acacia wood, three cubits That is, about 4 1/2 feet or about 1.4 meters high; it is to be square, five cubits long and five cubits wide. That is, about 7 1/2 feet or about 2.3 meters long and wide 2Make a horn at each of the four corners, so that the horns and the altar are of one piece, and overlay the altar with bronze.