Exodus 27:1

“You are to build an altar of acacia wood. The altar must be square, five cubits long, five cubits wide, and three cubits high.

Note The altar was approximately 7.5 feet in length and width, and 4.5 feet high (2.3 meters in length and width, and 1.4 meters high).

And thou shalt make an altar of shittim wood, five cubits long, and five cubits broad; the altar shall be foursquare: and the height thereof shall be three cubits.

“You shall make the altar of acacia wood, five cubits long, and five cubits wide. The altar shall be square. Its height shall be three cubits.

Note A cubit is the length from the tip of the middle finger to the elbow on a man’s arm, or about 18 inches or 46 centimeters.

Note The altar was to be about 2.3×2.3×1.4 meters or about 7½×7½×4½ feet.

And thou shalt make the altar of acacia wood, five cubits long, and five cubits broad; the altar shall be foursquare: and the height thereof shall be three cubits.