How to Use the Sentence Length Analyzer
Paste or type your text to get an instant breakdown of sentence count, word count, character count, and average words per sentence. The readability score helps you identify overly long sentences that may confuse readers.
English Sentence Length Guide
| Avg. Words/Sentence | Readability |
|---|---|
| 15 words or fewer | 😊 Easy to read |
| 15–20 words | 😐 Average |
| More than 20 words | 😓 Needs improvement |
Frequently Asked Questions
How is readability scored?
Based on average words per sentence. Under 15 is easy; 15-20 is average; over 20 words per sentence makes text harder to follow.
What is the ideal sentence length in English?
15 to 20 words per sentence is generally optimal. Mix short and longer sentences to maintain variety and engagement.
What text types work best?
Any English prose — blog posts, essays, emails, or marketing copy. Sentences are split at periods, exclamation marks, and question marks.