Which Words to Capitalize in a Title?

When using title case, which words in a title or headline should be capitalized and which words should not be capitalized?

The short answer is:

  • Capitalize the first word, the last word, and all nouns, pronouns, verbs, adverbs, adjectives, and subordinating conjunctions
  • Lowercase all articles, (short) prepositions, and coordinating conjunctions

This is a simplified representation of the title case rules; detailed rules for various styles can be found here: Title Capitalization Rules.  See also here for a useful title case converter tool.