Ezekiel 42:15-20 - Outside Dimensions Of The Temple Complex
15 Now when he had measured all the innermore house, he brought me forth through the east port, and measured the same round about.
16 He measured the east side with the measuring rod, which round about contained five hundred measuring rods. 17 And the north side measured he, which contained round about even so much. 18 The other two sides also toward the south 19 and the west - which he measured - contained either of them five hundred measuring rods.
20 So he measured all the four sides where there went a wall round about five hundred measuring rods long, and as broad also which separated the holy from the unholy.