# caliber vs calibre

> English confusable word pair

## The two words

### caliber
*noun · IPA /ˈkæl.ɪ.bə(ɹ)/ · frequency rank #12,016*
Diameter of the bore of a firearm, typically measured between opposite lands.

### calibre
*noun · IPA /ˈkæl.ɪ.bə(ɹ)/ · frequency rank #22,024*
Alternative form of caliber.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/vs/caliber-vs-calibre