Ezekiel 40:5
The East Gate to the Outer Court
5 And behold, there was a twall all around the outside of the temple area, and the length of the measuring reed in the man’s hand was six long cubits, each being a cubit and a handbreadth1 in length. So he measured the thickness of the wall, one reed; and the height, one reed.
Ezekiel 42:20
20 He measured it on the four sides. It had a mwall around it, 500 cubits long nand 500 cubits broad, oto make a separation between the holy and the common.