GOD'S WORD® Translation
There will be 18 inches left over on each side because of the length of the outer tent's sheets. That part should hang over each side in order to cover the inner tent.

American Standard Version
And the cubit on the one side, and the cubit on the other side, of that which remaineth in the length of the curtains of the tent, shall hang over the sides of the tabernacle on this side and on that side, to cover it.

Berean Study Bible
And the tent curtains will be a cubit longer on either side, and the excess will hang over the sides of the tabernacle to cover it.

Douay-Rheims Bible
And there shall hang down a cubit on the one side, and another on the other side, which is over and above in the length of the curtains, fencing both sides of the tabernacle.

English Revised Version
And the cubit on the one side, and the cubit on the other side, of that which remaineth in the length of the curtains of the tent, shall hang over the sides of the tabernacle on this side and on that side, to cover it.

King James Bible
And a cubit on the one side, and a cubit on the other side of that which remaineth in the length of the curtains of the tent, it shall hang over the sides of the tabernacle on this side and on that side, to cover it.

World English Bible
The cubit on the one side, and the cubit on the other side, of that which remains in the length of the curtains of the tent, shall hang over the sides of the tabernacle on this side and on that side, to cover it.

Young's Literal Translation
and the cubit on this side, and the cubit on that, in the superfluity in the length of the curtains of the tent, is spread out over the sides of the tabernacle, on this and on that, to cover it;

Exodus 26:13 Additional Translations ...