Jezekiel 42:20

20 The by the same reed, and he marked out the house and the circumference of the parts round about, of five hundred eastward, and a breadth of five hundred cubits, to make a division between the sanctuary and the outer wall, that the design of the house.

Jezekiel 42:20 In-Context

18 And he turned to the west, and measured in front of the west side, five hundred with the measuring reed.
19 And he turned to the south, and measured in front of the south side, five hundred by the measuring reed.
20 The by the same reed, and he marked out the house and the circumference of the parts round about, of five hundred eastward, and a breadth of five hundred cubits, to make a division between the sanctuary and the outer wall, that the design of the house.

The Brenton translation of the Septuagint is in the public domain.