Exodus 37:25

He made the altar of incense out of acacia wood. It was square, a cubit long, a cubit wide, and two cubits high. Its horns were of one piece.

Note The altar was approximately 1.5 feet in length and width, and 3 feet high (45.7 centimeters in length and width, and 91.4 centimeters high).

And he made the incense altar of shittim wood: the length of it was a cubit, and the breadth of it a cubit; it was foursquare; and two cubits was the height of it; the horns thereof were of the same.

He made the altar of incense of acacia wood. It was square: its length was a cubit, and its width a cubit. Its height was two cubits. Its horns were of one piece with it.

And he made the altar of incense of acacia wood: a cubit was the length thereof, and a cubit the breadth thereof, foursquare; and two cubits was the height thereof; the horns thereof were of one piece with it.