How do you pronounce "rpm"?

In American English: /ˈɑːrˈpiːˈɛm/ (AHR-PEE-EHM). In British English: /ˌɑːpˌiːˈɛm/ (ahp-ee-EHM). In Canadian English: /ˈɑːrˈpiːˈɛm/ (AHR-PEE-EHM). In Australian English: /ˌɑːpˌiːˈɛm/ (ahp-ee-EHM).

Is "rpm" pronounced differently in American and British English?

Yes. In American English it's pronounced /ˈɑːrˈpiːˈɛm/ (AHR-PEE-EHM), while in British English it's /ˌɑːpˌiːˈɛm/ (ahp-ee-EHM).

How to Pronounce "rpm" | pronounce.how

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rpm

regional

/ˈɑːrˈpiːˈɛm/

AHR-PEE-EHM

Syllable Breakdown

ɑːrr·piːp·ɛmm

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14