What is the plural of half?

half, halves, or both

The plural of half is 'halves.'

plural of half is halves.

Most singular nouns ending in f, fe, ff are in plural form when s is added at the end.

Other singular nouns ending in f, fe, ff become plural by changing the f into ves. just like half, the f is removed and ves is placed, making it halves.

Other nouns have two plural forms, either s is added or ves is used as replacement.