1 Kings 6:20

And the inmost room was twenty cubits square and twenty cubits high, plated over with clear gold, and he made an altar of cedar-wood, plating it with gold.

Exodus 30:1-3

And you are to make an altar for the burning of perfume; of hard wood let it be made.

1 Kings 6:2-3

The house which Solomon made for the Lord was sixty cubits long, twenty cubits wide and thirty cubits high.

1 Kings 6:22

Plates of gold were put all through the house till it was covered completely (and the altar in the inmost room was all covered with gold).

1 Kings 7:48

And Solomon had all the vessels made for use in the house of the Lord: the altar of gold and the gold table on which the holy bread was placed;

Treasury of Scripture Knowledge

Summary

And the oracle in the forepart was twenty cubits in length, and twenty cubits in breadth, and twenty cubits in the height thereof: and he overlaid it with pure gold; and so covered the altar which was of cedar.

General references

Bible References

The altar

1 Kings 6:22
Plates of gold were put all through the house till it was covered completely (and the altar in the inmost room was all covered with gold).
1 Kings 7:48
And Solomon had all the vessels made for use in the house of the Lord: the altar of gold and the gold table on which the holy bread was placed;
Exodus 30:1
And you are to make an altar for the burning of perfume; of hard wood let it be made.

General references

Exodus 25:11
It is to be plated inside and out with the best gold, with an edge of gold all round it

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain