How do you pronounce "datum"?

In American English: /ˈdætəm/ (DAT-uhm). In British English: /dˈeɪtəm/ (D-ayt). In Canadian English: /ˈdætəm/ (DAT-uhm). In Australian English: /dˈeɪtəm/ (D-ayt).

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

Yes. In American English it's pronounced /ˈdætəm/ (DAT-uhm), while in British English it's /dˈeɪtəm/ (D-ayt).

How to Pronounce "datum"

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datum

regional

/ˈdætəm/

DAT-uhm

Syllable Breakdown

dætda·əmtum

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14