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Literature · Language Studies · High School · Undergraduate

MLA Title Capitalization

MLA 9th edition capitalises all principal words. Articles, prepositions, and coordinating conjunctions are lowercase in the middle of a title.

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MLA capitalization rules

  • Capitalise all principal words
  • Lowercase: articles (a, an, the)
  • Lowercase: prepositions (all lengths)
  • Lowercase: coordinating conjunctions
  • First and last word always capitalised
  • Capitalise both parts of hyphenated compounds

Read the full MLA title capitalization rules with examples.

Other style guides

When to Use MLA Title Capitalization

MLA title case is the standard for Literature, Language Studies, High School, Undergraduate writing. MLA 9th edition capitalises all principal words. Articles, prepositions, and coordinating conjunctions are lowercase in the middle of a title. When your work will be reviewed, published, or cited within these fields, using the correct capitalization style shows attention to detail and compliance with professional standards.

MLA Title Case vs Other Styles

Title capitalization is not universal. The same title formatted in MLA style will look different from APA, Chicago, MLA, or AP — and each difference is intentional. Use the style comparison tool to enter your title and see all nine styles side by side. If you need to convert a large list of titles, the batch capitalizer handles CSV and TXT imports for bulk workflows.

Deep-dive: how to capitalize titles in MLA format.

How the MLA Capitalizer Works

Paste your title into the tool above. Select MLA as the active style and the result appears immediately. Click "Explain" to see the rule applied to each word. Use the copy button or press ⌘↵ to copy the output. Everything runs in the browser — no account, no signup, no data sent to a server.

About MLA Title Case

MLA title case is defined by the MLA Handbook, 9th edition (2021), published by the Modern Language Association. It is the standard for literature, linguistics, cultural studies, language arts, and most English courses at the high school and undergraduate level. Like APA, MLA lowercases all prepositions regardless of length — a preposition is a preposition regardless of how long it is. MLA also lowercases articles and coordinating conjunctions. The style is widely used in US high schools and colleges for papers in English and the humanities, and its title case rules are applied to both the paper title and to titles cited in the Works Cited list.

MLA Title Case Examples

These examples are generated in real time by the same engine that powers the tool above — every result is guaranteed to match the tool's output.

Original (lowercase) MLA Style
the quick brown fox jumps over the lazy dog The Quick Brown Fox Jumps over the Lazy Dog
a guide to writing about the world A Guide to Writing about the World
why sleep is important for students Why Sleep Is Important for Students
learning through failure and success Learning through Failure and Success
notes on the art of writing without fear Notes on the Art of Writing without Fear
how to capitalize titles in academic writing How to Capitalize Titles in Academic Writing
the effects of social media on mental health The Effects of Social Media on Mental Health
introduction to machine learning with python Introduction to Machine Learning with Python

Common MLA Edge Cases

  • All prepositions stay lowercase regardless of length — "about," "between," "through," and "without" are all lowercase in MLA.
  • "To" in infinitives stays lowercase: "How to Write," not "How To Write."
  • Verbs "is," "are," "be" are always capitalized — they are verbs, not prepositions.
  • First word after a colon or em dash in a title is always capitalized.
  • MLA uses title case for both the paper title AND for titles in the Works Cited list (unlike APA, which uses sentence case in references).

MLA vs APA

MLA and APA produce nearly identical title case for headings and paper titles — both lowercase all prepositions regardless of length and capitalize the same categories of major words. The practical difference shows up in reference formatting: MLA uses title case throughout the Works Cited list, while APA uses sentence case for article and book titles in the References section. If you are unsure which to use, a title capitalized in MLA will almost always be correct in APA and vice versa.

MLA capitalization FAQ

Common questions about using TitleCasePro for MLA title case.

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