Is aluminium the correct spelling in American English?
Although aluminium is recognized in dictionaries as a variant spelling of aluminum, some style guides (e.g., APA) require the more common American English spelling, aluminum.
Generally, aluminum is the standard spelling in North America, while aluminium is prevalent in the rest of the English-speaking world.
The QuillBot Grammar Checker lets you select your language region so you can check if you have the correct spelling of aluminum or aluminium.