This noun follows the standard English plural rule: simply add -s to the singular form.
Millimeter is regular. It follows the Standard -s rule.
Use plural verbs: "The millimeters are ready" (not "is ready").
Yes. The plural millimeters is standard across all English variants.
The word millimeter follows the standard English pluralization rule. When forming the plural, millimeter becomes millimeters. This follows the Standard -s pattern, which is one of the most common plural rules in English.
Understanding why millimeter becomes millimeters helps with spelling and pronunciation. This noun follows the standard English plural rule: simply add -s to the singular form.
When using millimeters in writing, remember that it functions as a plural noun in sentences. It pairs with plural verbs and pronouns. For example: "The millimeters are ready" (not "is ready"). This subject-verb agreement is essential for grammatical correctness.