Berean Study Bible
It must be square when folded over double, a span long and a span wide.

King James Bible
Foursquare it shall be being doubled; a span shall be the length thereof, and a span shall be the breadth thereof.

American Standard Version
Foursquare it shall be and double; a span shall be the length thereof, and a span the breadth thereof.

Darby Bible Translation
Square shall it be, doubled; a span the length thereof, and a span the breadth thereof.

Douay-Rheims Bible
It shall be foursquare and doubled: it shall be the measure of a span both in length and in breadth.

English Revised Version
Foursquare it shall be and double; a span shall be the length thereof, and a span the breadth thereof.

Young's Literal Translation
it is square, doubled, a span its length, and a span its breadth.