Ezekiel 43:13

And these are the measures of the altar by the cubit. The cubit is a cubit and a span; even the base shall be a cubit, and the width a cubit, and its border by its edge all around shall be a span. And this is the upper part of the altar.

Exodus 27:1-8

And you shall make an altar of acacia-wood, five cubits long and five cubits broad. The altar shall be square. And the height of it shall be three cubits.

2 Chronicles 4:1

And he made an altar of bronze. Twenty cubits was the length of it, and twenty cubits its breadth, and ten cubits its height.

Ezekiel 40:5

And behold, a wall on the outside of the house all around, and in the man's hand was a measuring reed, six cubits long, with a cubit and a span. And he measured the building's breadth, one reed; and the height, one reed.

Ezekiel 41:8

I also saw the height of the house all around. The foundations of the side rooms were a full reed, six large cubits by joining.

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 you shall make an altar of acacia-wood, five cubits long and five cubits broad. The altar shall be square. And the height of it shall be three cubits.
2 Chronicles 4:1
And he made an altar of bronze. Twenty cubits was the length of it, and twenty cubits its breadth, and ten cubits its height.

The cubit

Ezekiel 40:5
And behold, a wall on the outside of the house all around, and in the man's hand was a measuring reed, six cubits long, with a cubit and a span. And he measured the building's breadth, one reed; and the height, one reed.
Ezekiel 41:8
I also saw the height of the house all around. The foundations of the side rooms were a full reed, six large cubits by joining.