How To Pronounce Fax

In British English, fax is pronounced /fæks/. The narrow phonetic transcription is [fæks]. In American English, it is pronounced /fæks/.

Fax 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.