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Readability Score
Flesch reading ease for any text
Readability Score
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Score
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Reading Level
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Words
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Sentences
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What is a Readability Score Calculator?
Measures how easy your text is to read using Flesch Reading Ease and Flesch-Kincaid Grade Level - helping match content to your audience.
How It Works
Flesch = 206.835 - 1.015 x (words/sentences) - 84.6 x (syllables/words). Scores: 90-100 very easy; 60-70 standard; below 30 very difficult.
Example
Paragraph with avg 12 words/sentence and 1.4 syllables/word: Flesch approx 72 (standard). FK Grade approx 7 (7th grade).
Pro Tips
- Target Flesch 60-70 for web content; 50-60 for business reports; 30-50 for academic papers.
- Shorter sentences (15-20 words average) improve readability most dramatically.
- Active voice improves readability; passive voice reduces it significantly.
- Aim for Grade 6-8 to reach the broadest possible adult web audience.
FAQ
What is Flesch Reading Ease?▼
0-100 scale: higher = easier. 60-70 = standard web content target.
What is Flesch-Kincaid Grade Level?▼
US school grade equivalent for reading the text. Grade 8 = accessible to most adults.
Good readability for a blog?▼
Flesch 60-70 (standard) or 70-80 (fairly easy) reaches the broadest audience.
Does readability affect SEO?▼
Indirectly - hard-to-read content increases bounce rate, which Google uses as a signal.