How do you pronounce "ratio"?

In American English: /ˈreɪʃiːˌoʊ/ (RAYSH-ee-oh). In British English: /ɹˈeɪʃɪˌəʊ/ (R-aysh-i). In Canadian English: /ˈreɪʃiːˌoʊ/ (RAYSH-ee-oh). In Australian English: /ɹˈeɪʃɪˌəʊ/ (R-aysh-i).

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

Yes. In American English it's pronounced /ˈreɪʃiːˌoʊ/ (RAYSH-ee-oh), while in British English it's /ɹˈeɪʃɪˌəʊ/ (R-aysh-i).

How to Pronounce "ratio"

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ratio

regional

/ˈreɪʃiːˌoʊ/

RAYSH-ee-oh

Syllable Breakdown

reɪʃra·iːt·oʊio

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14