Readability Score Checker
Check how easy your text is to read with the Flesch Reading Ease score and grade level.
Paste text to see your score
How to use the Readability Score Checker
Paste any English text above. The tool calculates the Flesch Reading Ease score (0–100, higher = easier) and the approximate U.S. school grade level needed to understand it. All processing happens in your browser — nothing is sent to a server.
What the scores mean
- 90–100 — Very easy (5th grade)
- 80–89 — Easy (6th grade)
- 70–79 — Fairly easy (7th grade)
- 60–69 — Standard (8th–9th grade) — good target for most web content
- 50–59 — Fairly difficult (10th–12th grade)
- 30–49 — Difficult (college)
- 0–29 — Very difficult (college graduate)
Frequently asked questions
What is a good readability score for SEO?
Most successful web content scores between 60 and 70 (roughly 8th–9th grade). This keeps pages accessible to a wide audience while still sounding professional.
Does readability affect rankings?
Google does not use a readability score as a direct ranking factor, but clear writing improves time on page, reduces bounce rate, and makes content easier for AI answer engines to understand and cite.
Is this the same as Flesch-Kincaid?
Yes. This tool reports both the Flesch Reading Ease score and the Flesch-Kincaid Grade Level, the two most widely used readability formulas.
Read the guide
What Is a Readability Score and Why It Matters for SEO
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