How do you pronounce "calcium"?

In American English: /ˈkælsiːəm/ (KALS-ee-uhm). In British English: /kˈælsɪəm/ (K-als-i). In Canadian English: /ˈkælsiːəm/ (KALS-ee-uhm). In Australian English: /kˈalsiəm/ (K-als).

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

Yes. In American English it's pronounced /ˈkælsiːəm/ (KALS-ee-uhm), while in British English it's /kˈælsɪəm/ (K-als-i).

How to Pronounce "calcium"

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calcium

regional

/ˈkælsiːəm/

KALS-ee-uhm

Syllable Breakdown

kælscal·iːci·əmum

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14