Ezekiel 40:19

The inner court had a gate opposite the gate on the north as well as the gate on the east; and he measured one hundred cubits from gate to gate.

The inner court had a gate toward the south; and he measured from gate to gate toward the south, one hundred cubits.

He measured the court, a perfect square, one hundred cubits long and one hundred cubits wide; and the altar was in front of the house.

Then a measuring rod like a staff was given to me, saying, “Get up and measure the sanctuary of God and the altar, and those who worship in it.