1 Kings 6:20

The inner sanctuary was twenty cubits in length, twenty cubits in width, and twenty cubits in height, and he overlaid it with pure gold. He also overlaid the altar with cedar.

Exodus 30:1-3

“Moreover, you shall make an altar as a place for burning incense; you shall make it of acacia wood.

1 Kings 6:2-3

As for the house which King Solomon built for the Lord, its length was sixty cubits and its width twenty cubits and its height thirty cubits.

1 Kings 6:22

He overlaid the whole house with gold, until all the house was finished. Also the whole altar which was by the inner sanctuary he overlaid with gold.

1 Kings 7:48

Solomon made all the furniture which was in the house of the Lord: the golden altar and the golden table on which was the bread of the Presence;

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
He overlaid the whole house with gold, until all the house was finished. Also the whole altar which was by the inner sanctuary he overlaid with gold.
1 Kings 7:48
Solomon made all the furniture which was in the house of the Lord: the golden altar and the golden table on which was the bread of the Presence;
Exodus 30:1
“Moreover, you shall make an altar as a place for burning incense; you shall make it of acacia wood.

General references

Exodus 25:11
You shall overlay it with pure gold, inside and out you shall overlay it, and you shall make a gold molding around it.