וּשְׁתֵּ֨י כֹתָרֹ֜ת עָשָׂ֗ה לָתֵ֛ת עַל־רָאשֵׁ֥י הָֽעַמּוּדִ֖ים מֻצַ֣ק נְחֹ֑שֶׁת חָמֵ֣שׁ אַמּ֗וֹת קוֹמַת֙ הַכֹּתֶ֣רֶת הָאֶחָ֔ת וְחָמֵ֣שׁ אַמּ֔וֹת קוֹמַ֖ת הַכֹּתֶ֥רֶת הַשֵּׁנִֽית׃
E fece due capitelli di rame fuso da porre sulle cime delle colonne: cinque cubiti era l'altezza di un capitello e cinque cubiti l'altezza del secondo capitello.
Rashi
and the capital - Heb. וְהַצֶּפֶת. That is the overlay (צִפּוּי) like (verse 10): “and he (sic) overlaid them (וַיְצַפֶּה) with gold.” I.e., it was made like a sort of hollow (conical) hat, whose thickness was half of a cubit from below, and when it is inverted and placed on the pillar, it is found to be eighteen cubits: in I Kings (7:16-20), it is called chapiters (כֹּתָרוֹת), an expression of a crown (כֶּתֶר), as it is written: “And two chapiters (כּתָרוֹת), etc.”
Rashi
The height of the crown was three amohs. And in the beginning of the Book [of Melochim] it states, ”five amohs [high].”9Melochim 7:16. I reconciled the verses there.10Rashi reconciled the difference as follows: The crown was actually five amohs high but its two lower amohs are not counted because the column was inserted into the crown two amohs deep and it served as a base for the crown.