Sentence Counter – Count Sentences in Text Free Online
Count sentences in your text accurately. See average sentence length, word count per sentence, and readability hints. Free, browser-based.
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Sentences
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Words
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Avg Words/Sentence
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Longest Sentence
Frequently Asked Questions
Sentences are split on periods, exclamation marks, and question marks followed by a space or end of text.
Total words divided by total sentence count. Aim for 15–20 words per sentence for good readability.
Short sentences are easier to read. Long sentences (over 30 words) can reduce comprehension, especially in web content.
No. All counting happens in your browser. Your text stays private.
What is Sentence Counter – Count Sentences & Analyze Sentence Length?
A sentence counter counts the total number of sentences in a block of text, calculates the average sentence length in words, and identifies very long sentences that may hurt readability. Search engines and readability formulas both factor in sentence length — shorter sentences (15–20 words on average) are easier to read and score better on readability indexes.
How to Use Sentence Counter – Count Sentences & Analyze Sentence Length
- 1Paste or type your text into the input area.
- 2Sentence count and average sentence length update in real time.
- 3Check the average sentence length — aim for 15–20 words for web content.
- 4Review any sentences flagged as too long (over 30 words).
- 5Break long sentences into two shorter ones to improve readability.
Key Features
- ✓Total sentence count
- ✓Average sentence length in words
- ✓Longest and shortest sentence detection
- ✓Flags sentences over 30 words
- ✓Live update as you type
Benefits
- →Keep average sentence length in the readable range
- →Identify run-on sentences that confuse readers
- →Improve Flesch-Kincaid readability scores by shortening sentences
- →Audit content for editorial style guide compliance
Why Use Irreva for Sentence Counter – Count Sentences & Analyze Sentence Length?
Frequently Asked Questions
How are sentences detected?
Sentences are split on periods, exclamation marks, and question marks followed by a space or end of text.
What is the average words per sentence?
Total words divided by total sentence count. Aim for 15–20 words per sentence for good readability.
Why does sentence length matter?
Short sentences are easier to read. Long sentences (over 30 words) can reduce comprehension, especially in web content.
Is my text sent to a server?
No. All counting happens in your browser. Your text stays private.
How does the tool detect sentences?
Sentences are detected by splitting on period, exclamation mark, and question mark followed by a space or end of text. Abbreviations like 'Dr.' and 'U.S.' may occasionally cause incorrect splits.
What is a good average sentence length?
15–20 words per sentence is the sweet spot for most web content. Academic writing averages 25–30 words. Above 30 words consistently signals content that may be hard to follow.
Rate Sentence Counter – Count Sentences & Analyze Sentence Length
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