Ezekiel 43:16
And the altar was twelve cubits long, twelve broad, square on its four sides.
Exodus 27:1
Thou shalt also make an altar of cedar wood, five cubits long and five cubits broad; the altar shall be foursquare, and its height shall be three cubits.
Exodus 38:1-2
And he made the altar of burnt offering of cedar wood: five cubits was its length and five cubits its breadth; it was square, and its height was three cubits.
2 Chronicles 4:1
Moreover he made an altar of brass, twenty cubits long and twenty cubits wide and ten cubits high.
Ezra 3:3
And they set the altar upon its bases, for fear was upon them because of the peoples of those lands, and they offered burnt offerings upon it unto the LORD, even burnt offerings morning and evening.