Sentence Counter

Instant sentence count with readability grade, average length, and longest/shortest sentence highlights — no signup, no tracking.

Start typing or paste your text to see sentence stats

How to Use

  1. Enter your text — Type or paste any text into the input box.
  2. View sentence stats — Sentence count, average length, and readability grade update in real time.
  3. Review highlights — See your longest and shortest sentences displayed below the stats.

Frequently Asked Questions

The tool splits text on sentence-ending punctuation marks (periods, exclamation marks, and question marks). Abbreviations like "Dr." or "U.S." may occasionally cause a split, but the count is accurate for standard prose.
Most readability guides recommend an average of 15–20 words per sentence for clear, readable writing. Sentences consistently over 25 words can be harder to follow.
The tool uses the Flesch-Kincaid Grade Level formula, which considers average sentence length and average syllables per word. The result maps to a U.S. school grade level — for example, grade 8 means an average 8th grader can understand the text.
Yes. The sentence counter is useful for essays, reports, blog posts, and any writing where sentence variety and readability matter. Aim for a mix of short and long sentences to keep your writing engaging.

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