Plural of Stadium
Cambridge records both regular “stadiums” and classical “stadia” as plural forms of “stadium.” Neither should be treated as universally incorrect.
Both “stadiums” and “stadia” are accepted plurals of “stadium.”
Key details
Choose the right form
| Meaning / situation | Form / construction | Decision |
|---|---|---|
| one stadium | stadium | Use the singular form. |
| regular English plural | stadiums | Accepted plural. |
| Latin-derived plural | stadia | Also accepted. |
Quick tests
Meaning / construction test
Do you need the plural of “stadium”?
If yes: Use either “stadiums” or “stadia,” following audience or house style.
If no: Use singular “stadium” for one.
Caveat: Both plural forms are accepted; a field or house style may prefer one, so consistency matters more than treating the other as inherently wrong.
Examples
The map shows one stadium.
One takes the singular “stadium.”
The guide compares several stadiums.
“Stadiums” is an accepted regular English plural.
The survey covers several stadia.
“Stadia” is also an accepted plural.
Further guidance
Core difference
Both “stadiums” and “stadia” are accepted plurals of “stadium.”
Fast Test
Use the plural preferred by your field or house style and keep the choice consistent.
Usage Boundary
Do not assume the Latin-derived “stadia” is the only correct plural; regular “stadiums” is also dictionary-recorded.
Sources and evidence
Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.
- Stadium — Cambridge Dictionary (opens in a new tab)Cambridge University Press · Direct dictionary evidence that both “stadiums” and “stadia” are plurals of “stadium.”