Sentence Length Checker
Check the length of every sentence in your text. Find sentences that are too long and see the average, median, and length distribution.
Sentence Length Checker — Paste any text and see the word count of every sentence, the average and median sentence length, and a distribution chart that shows how your sentences stack up against the recommended 15–20 word range.
Analysis happens in your browser.
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What is sentence length checker?
Paste any text and see the word count of every sentence, the average and median sentence length, and a distribution chart that shows how your sentences stack up against the recommended 15–20 word range.
Sentences over 35 words are flagged for easy editing. The most common readability advice is "vary your sentence length," and this tool shows you whether you are doing that or not.
How to use it
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Paste your text
Drop in an article, essay, email, or any block of prose you want to check.
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Read the headline numbers
Total sentences, average, median, and longest. If the average is over 25 words, your prose is dense; under 14, it may feel choppy.
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Fix any sentence over 35 words
The tool flags run-on candidates. Each one is shown in full so you can split it without losing context.
Frequently asked questions
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