What is Sentence Case and How to Use It
Published 2026-01-03 · convertcase.in
Sentence case capitalises only the first letter of the first word in a sentence, plus proper nouns. It is the standard formatting for body text in emails, articles, and reports.
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1Definition
Sentence case = "This is an example of sentence case." Only the first word and proper nouns are capitalised.
2When to Use Sentence Case
Use sentence case for body paragraphs, email subject lines, UI button labels (per Material Design guidelines), and social media posts.
3How to Convert Using Our Tool
Paste your text on convertcase.in and click "Sentence case" to auto-format instantly.
Frequently Asked Questions
Is sentence case the same as title case?
No. Sentence case only capitalises the first word. Title case capitalises every major word.
Should email subject lines use sentence case?
Most modern style guides (and companies like Google) recommend sentence case for email subjects.