Jeremiah 52:21
Concerning the pillars, the height of each pillar was eighteen cubits (twenty-seven feet), and a line [an ornamental molding] of twelve cubits (eighteen feet) went around its circumference; it was four fingers thick, and [the pillar was] hollow.
2 Kings 25:17
The height of the one pillar was eighteen cubits (27 ft.), and a capital of bronze was on top of it. The height of the capital was three cubits (4.5 ft.); a network (lattice work) and pomegranates around the capital were all of bronze. And the second pillar had the same as these, with a network.
1 Kings 7:15-21
He cast the two pillars of bronze; the one pillar was eighteen cubits high, and a [measuring] line of twelve cubits measured the circumference of both.
2 Chronicles 3:15-17
He also made two pillars for the front of the house, thirty-five cubits high, and the capital on the top of each one was five cubits.