Count the number of sentences in your text instantly — a quick, free tool for writers and editors checking sentence length and readability.
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About the Sentence Counter
Sentence length shapes how readable your writing is. This sentence counter tells you how many sentences your text contains, which helps with readability checks, assignment requirements and editing.
How to use the Sentence Counter
- Paste your text into the box.
- See the sentence count update.
- Edit your text and watch the number change.
Common uses
- Meet sentence requirements in school assignments
- Keep web copy short and scannable
- Review average sentence length for readability
- Check product descriptions and ad text
Frequently asked questions
How does the tool detect a sentence?
It looks for sentence-ending punctuation such as periods, question marks and exclamation marks.
What is a good sentence length for web content?
Many writers aim for roughly 15 to 20 words per sentence on average, mixing short and longer sentences.
Does it count abbreviations as sentences?
Abbreviations with periods can occasionally be counted as sentence endings, so treat the count as a close estimate.
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