Title Case vs Sentence Case — Which Should You Use?
Compare title case and sentence case capitalization styles. Learn the rules for each, when to use them, and how style guides differ.
| Feature | Title Case | Sentence Case |
|---|---|---|
| Complexity | High (which words to capitalize?) | Low (capitalize first word only) |
| Formality | More formal | More casual/modern |
| Academic publishing | Standard (APA, Chicago) | Less common |
| UI/UX design | Less common in modern UI | Standard (Google, Apple) |
| Consistency | Harder (rules vary) | Easier (fewer rules) |
Verdict
Use title case for book titles, academic papers, and formal publications where style guides require it. Use sentence case for UI text, blog posts, product names, and anywhere you want a modern, approachable tone. When in doubt, sentence case is the safer and simpler choice.
The Trend Toward Sentence Case
The tech industry has broadly moved toward sentence case in user interfaces. Google, Microsoft, and most SaaS products use it because it is easier to localize, simpler to apply consistently, and feels more approachable. Academic and editorial publishing continues to use title case, following established style guides.
Frequently Asked Questions
Generally, articles (a, an, the), short prepositions (in, on, at, to), and coordinating conjunctions (and, but, or) are lowercase unless they are the first or last word. However, rules vary between style guides (AP, APA, Chicago, MLA).
Google's Material Design guidelines recommend sentence case for almost all UI text, including buttons, labels, and headings. Title case is reserved for proper nouns and product names.
Apple's Human Interface Guidelines use title case for menu items and some headings, but have shifted toward sentence case for many UI elements in recent versions of their design system.