# kilometer vs kilometre

> English confusable word pair

## The two words

### kilometer
*noun · IPA /kɪˈlɒmɪtə/ · frequency rank #22,717*
US spelling of kilometre.

### kilometre
*noun · IPA /kɪˈlɒmɪtə/ · frequency rank #22,131*
An SI unit of length equal to 10³ metres. Symbol: km

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