Exodus 37:6

He also made the propitiatory, that is, the oracle, from the finest gold, two and one half cubits in length, and one and one half cubits in width

Other versions

King James Version

And he made the mercy seat of pure gold: two cubits and a half was the length thereof, and one cubit and a half the breadth thereof.

English Standard Version

And he made a mercy seat of pure gold. Two cubits and a half was its length, and a cubit and a half its breadth.

New International Version

He made the atonement cover of pure gold-two and a half cubits long and a cubit and a half wide.