Ezekiel 40:12

The space also before the little chambers was one cubit on this side, and the space was one cubit on that side: and the little chambers were six cubits on this side, and six cubits on that side.

Cross-reference

Ezekiel 40:13 measures the overall gate width from chamber roof to roof, directly related to the border measurement here.

Ezekiel 40:29 shows the same border-and-chamber pattern for the south gate, reinforcing the standardization.

Ezekiel 40:16 describes windows for the chambers and jambs, adding architectural details to the gate described here.