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Readability Score Checker
Get Flesch Reading Ease, Flesch-Kincaid grade level and other readability scores — with the hardest sentences highlighted.
Reading the scores: Flesch Reading Ease runs 0–100 — higher is easier; 60–70 is plain English that most adults read comfortably. The grade scores estimate the US school grade needed to understand the text on first reading; aim for grade 7–9 for general web content. They’re formulas based on sentence and word length, so use them as a nudge, not a verdict.
About the Readability Score Checker
The Readability Score Checker grades your writing with the Flesch Reading Ease score, Flesch-Kincaid grade level, Gunning Fog index and more, and highlights long sentences and complex words. Easier text keeps readers on the page and helps both search engines and AI assistants understand your content.
How to use the Readability Score Checker
- Paste your text.
- Read the Flesch Reading Ease score and grade levels.
- Look at the highlighted long sentences and complex words.
- Simplify them and watch the score improve.
Frequently asked questions
What is a good Flesch Reading Ease score?
For web content, 60–70 or higher is a good target — plain English that most adults read easily. Scores below 30 are very hard to read.
What reading grade should web content aim for?
Around grade 7–9 suits most audiences. Even experts read simpler text faster.
How is the Flesch score calculated?
It uses average sentence length and average syllables per word: shorter sentences and shorter words give a higher, easier score.