New Living Translation
Make it 18 inches square and 36 inches high, with horns at the corners carved from the same piece of wood as the altar itself.

American Standard Version
A cubit shall be the length thereof, and a cubit the breadth thereof; foursquare shall it be; and two cubits shall be the height thereof: the horns thereof shall be of one piece with it.

Berean Study Bible
It is to be square, a cubit long, a cubit wide, and two cubits high. Its horns must be of one piece.

Douay-Rheims Bible
It shall be a cubit in length, and another in breadth, that is, foursquare, and two in height. Horns shall go out of the same.

English Revised Version
A cubit shall be the length thereof, and a cubit the breadth thereof; foursquare shall it be: and two cubits shall be the height thereof: the horns thereof shall be of one piece with it.

King James Bible
A cubit shall be the length thereof, and a cubit the breadth thereof; foursquare shall it be: and two cubits shall be the height thereof: the horns thereof shall be of the same.

World English Bible
Its length shall be a cubit, and its breadth a cubit. It shall be square, and its height shall be two cubits. Its horns shall be of one piece with it.

Young's Literal Translation
a cubit its length, and a cubit its breadth, (it is square), and two cubits its height; its horns are of the same.

Exodus 30:2 Additional Translations ...