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Average Sentence Length Calculator
Measure mean words per sentence to maintain punchy, readable paragraphs.
Avg Sentence Length
12.5
25 words • 177 chars
25
Words
177
Characters
153
No Spaces
2
Sentences
1
Paragraphs
8 sec
Reading
Specialized Analysis: Average Sentence Length Calculator
Words / Sentence
12.5
Target Range
14 – 18 words
Clarity Rating
High Comprehension
Estimated Durations
Silent Reading (200 WPM)8 sec
Fast Reading (300 WPM)5 sec
Speech / Presentation (130 WPM)12 sec
Structural Metrics
Avg Word Length6.1 chars
Avg Sentence Length12.5 words
Avg Paragraph Length25.0 words
Lexical Richness92.0%
Unique Words23 / 25
Punctuation Marks3
Zero Server Uploads
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How to Use the Average Sentence Length Calculator
01
Paste your content into the editor.
02
The calculator computes total words divided by total sentences.
03
Aim for an average sentence length of 14 to 18 words for general audience readability.
Frequently Asked Questions
What is the ideal average sentence length for web content?
Readability research by the American Press Institute shows that sentences under 14 words achieve over 90% reader comprehension, while sentences over 30 words drop comprehension below 30%.
More Basic Text Counters
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