Ezekiel 41:13-15

Then the man measured the Temple, and it was 175 feet long. The courtyard around the building, including its walls, was an additional 175 feet in length. The inner courtyard to the east of the Temple was also 175 feet wide. The building to the west, including its two walls, was also 175 feet wide. The sanctuary, the inner room, and the entry room of the Temple