Title Case Rules - Which Words to Capitalize in Titles

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The basic rule

Capitalise the first and last word and all 'major' words: nouns, pronouns, verbs, adjectives and adverbs. Keep short articles, conjunctions and prepositions lowercase (a, an, the, and, but, or, for, of, in, on, to) unless they start the title.

Style guide differences

AP style capitalises words of four letters or more, including prepositions like 'With' and 'From'. Chicago lowercases all prepositions regardless of length. APA capitalises words of four letters or more.

Sentence case is often better

Many modern websites, apps and Google's own style guide use sentence case for headings (only the first word and proper nouns capitalised) because it's easier to read.

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Frequently asked questions

Is 'is' capitalised in title case?

Yes – it's a verb, even though it's short.

Should 'with' be capitalised?

In AP and APA style yes (4+ letters); in Chicago style no.

What about hyphenated words?

Usually capitalise both parts: 'Long-Term Plan'.