English pronunciation of “er”

er

uk How to pronounce er exclamation in British English
us How to pronounce er exclamation in American English
uk How to pronounce er noun in British English
us How to pronounce er noun in American English
uk How to pronounce er suffix in British English
us How to pronounce er suffix in American English

(English pronunciations of “er” from the Cambridge Advanced Learner’s Dictionary & Thesaurus and from the Cambridge Academic Content Dictionary, both sources © Cambridge University Press)