Jeremiah 52:21

As for the pillars, the height of the one pillar was eighteen cubits; and a line of twelve cubits did compass it; and its thickness was four fingers: it was hollow.

2 Kings 25:17

The height of the one pillar was eighteen cubits, and a capital of brass was on it; and the height of the capital was three cubits, with network and pomegranates on the capital around it, all of brass: and like to these had the second pillar with network.

1 Kings 7:15-21

For he fashioned the two pillars of brass, eighteen cubits high apiece: and a line of twelve cubits encircled either of them about.

2 Chronicles 3:15-17

Also he made before the house two pillars of thirty-five cubits high, and the capital that was on the top of each of them was five cubits.

Treasury of Scripture Knowledge

Summary

And concerning the pillars, the height of one pillar was eighteen cubits; and a fillet of twelve cubits did compass it; and the thickness thereof was four fingers: it was hollow.

Bible References

Concerning

1 Kings 7:15
For he fashioned the two pillars of brass, eighteen cubits high apiece: and a line of twelve cubits encircled either of them about.
2 Kings 25:17
The height of the one pillar was eighteen cubits, and a capital of brass was on it; and the height of the capital was three cubits, with network and pomegranates on the capital around it, all of brass: and like to these had the second pillar with network.
2 Chronicles 3:15
Also he made before the house two pillars of thirty-five cubits high, and the capital that was on the top of each of them was five cubits.