How To Pronounce Calm

In British English, calm is pronounced /kɑːm/. The narrow phonetic transcription is [kʰɑ̃ːm]. In American English, it is pronounced /kɑːm/.

Calm has one syllable. British and American speakers say it the same way.

Slashes / / show the phonemic transcription, the sounds that change meaning. Square brackets [ ] show the phonetic transcription, with the finer detail of how the sounds are actually made.