Ezekiel 41:4 KJV
So he measured the length thereof, twenty cubits; and the breadth, twenty cubits, before the temple: and he said unto me, This is the most holy place.
Ezekiel 41:4, King James Version
In context
3 Then went he inward, and measured the post of the door, two cubits; and the door, six cubits; and the breadth of the door, seven cubits.
4 So he measured the length thereof, twenty cubits; and the breadth, twenty cubits, before the temple: and he said unto me, This is the most holy place.
5 After he measured the wall of the house, six cubits; and the breadth of every side chamber, four cubits, round about the house on every side.