Ezekiel 43:13

And these are the measures of the altar in cubits: the cubit is a cubit and a hand breadth. The bottom was a cubit in height and the breadth a cubit, and its border on the edge thereof round about, one span: and this was the base of the altar.

Exodus 27:1-8

And thou shalt make the altar of acacia-wood, five cubits the length, and five cubits the breadth; the altar shall be square; and the height thereof three cubits.

2 Chronicles 4:1

And he made a brazen altar: its length was twenty cubits, and its breadth twenty cubits, and its height ten cubits.

Ezekiel 40:5

And behold, there was a wall on the outside of the house round about, and in the man's hand a measuring-reed of six cubits, each of one cubit and a hand breadth. And he measured the breadth of the building, one reed; and the height, one reed.

Ezekiel 41:8

And I saw that the house had an elevation round about: the foundations of the side-chambers, a full reed, six cubits to the joint.

Treasury of Scripture Knowledge

Summary

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.

Bible References

The measures

Exodus 27:1
And thou shalt make the altar of acacia-wood, five cubits the length, and five cubits the breadth; the altar shall be square; and the height thereof three cubits.
2 Chronicles 4:1
And he made a brazen altar: its length was twenty cubits, and its breadth twenty cubits, and its height ten cubits.

The cubit

Ezekiel 40:5
And behold, there was a wall on the outside of the house round about, and in the man's hand a measuring-reed of six cubits, each of one cubit and a hand breadth. And he measured the breadth of the building, one reed; and the height, one reed.
Ezekiel 41:8
And I saw that the house had an elevation round about: the foundations of the side-chambers, a full reed, six cubits to the joint.