Ezekiel 43:14

And from the bottom upon the ground even to the lower settle shall be two cubits, and the breadth one cubit; and from the lesser settle even to the greater settle shall be four cubits, and the breadth one cubit.

Cross-reference

Ezekiel 43:13 provides the overall base measurement of the altar, complementing the ledge heights given here in the same description.

Ezekiel 43:15 describes the altar hearth above the ledges, continuing the step-by-step dimensions of the altar.

Ezekiel 43:16 specifies the square shape of the hearth, which sits above the ledges described here.

Ezekiel 43:17 gives the top ledge and base dimensions, completing the altar's vertical structure from bottom to top.

Ezekiel 45:19 mentions the same altar ledge for applying sin offering blood, showing its ritual use.