English Standard Version
"You shall make a mercy seat of pure gold. Two cubits and a half shall be its length, and a cubit and a half its breadth.New International Version
"Make an atonement cover of pure gold-two and a half cubits long and a cubit and a half wide.Catholic Public Domain Version
You shall also make a propitiatory of the finest gold. Its length shall hold two and one half cubits, and the width, one and one half cubits