Matthew Poole and continuators on Ezekiel 41:13

13 So he measured the house , an hundred cubits long; and the separate place , and the building , with the walls thereof, an hundred cubits long .

The whole Temple, Oracle, Sanctuary and Porch with the Walls.

From East to West thus. Stairs of the East Porch, or the thickness of the Wall 6 Cubits; the passage through the Porch 11, Wall of the Temple within the Porch 6 Cubits, the Temple it self 40 Cubits, Partition Wall two Cubits, the Oracle 20 Cub. West Wall thick 6 Cub. the chambers at bottom of the West Wall 4 Cubits, and the outer Wall of the Chambers 5 Cubits.

See ver. 12. let. a.

On both the North and South-side of the Temple.

Which is reckoned. The breadth of the Temple 20 Cubits, thickness of both Walls 12 Cubits, the bottom Chambers on both sides 8 Cubits, the outer Walls of these Chambers 5 Cubits a piece, the breadth of the place left out on each side 5, on both sides 10 (i. e. 5 each) and then the wideness between this on either side 20 Cubits.