Ezekiel 42:8

For the length of the chambers that were in the utter court was fifty cubits: and, lo, before the temple were an hundred cubits.

Cross-reference

Ezekiel 42:11 describes doors like those of the upper chambers — adding architectural detail to the 50‑cubit length given here.

Ezekiel 42:12 specifies doors on the south side — complementing the length measurement of the chambers in this verse.