Readability Score
Measure how easy your text is to read — Flesch, Kincaid, Fog Index and more.
90–100 Very easy (5th grade)
70–90 Easy (6th grade)
60–70 Standard (7–8th)
50–60 Fairly hard (10th)
30–50 Hard (College)
0–30 Very hard (Professional)
About Readability Scores
Readability formulas estimate how difficult a piece of text is to understand, based on measurable properties like average sentence length and syllable count. The Flesch Reading Ease score (0–100) is the most widely used: higher scores mean easier text. A score of 60–70 is considered plain English, suitable for most audiences. Newspapers aim for 65+. Academic papers often score below 30.
The Flesch-Kincaid Grade Level translates the score to a US school grade — a score of 8 means an 8th-grader should be able to read it. The Gunning Fog Index estimates the years of formal education needed to understand the text on a first reading. These scores are useful for content writers, educators, UX writers, and anyone who wants their writing to be accessible to a broad audience. All analysis runs locally in your browser.
How to Use
- Paste or type your text into the editor, or click ⚡ Sample to load an example.
- Scores update automatically as you type.
- Check the Flesch Reading Ease score and grade label for a quick summary.
- Use the detailed stats (FK Grade, Fog Index, avg sentence length) to identify what to improve.