Ezekiel 43:13
And these are the measures of the altar after the cubits: The cubit is a cubit and an hand breadth; even the bottom shall be a cubit, and the breadth a cubit, and the border thereof by the edge thereof round about shall be a span: and this shall be the higher place of the altar.
Cross-reference
Ezekiel 43:14 continues the altar dimensions, detailing the ledges and their heights in direct sequence.
Ezekiel 40:5 defines the 'long cubit' (cubit plus handbreadth) used here for the altar measurements, establishing the same measuring standard.
Ezekiel 41:8 also uses the long cubit for temple platform measurements, confirming the consistent standard throughout the vision.
Exodus 27:1-8 describes the tabernacle's altar measurements, providing an earlier parallel for Ezekiel's visionary altar dimensions.
Exodus 38:1 gives the tabernacle altar dimensions, another parallel altar measurement though for a different sanctuary.
2 Chronicles 4:1 records Solomon's bronze altar dimensions, another historical altar measurement that parallels Ezekiel's altar specifications.