Readability Scorer
Measure the complexity of your writing. Get instant Flesch Reading Ease scores.
The Flesch Reading Ease Scale
| Score | Level | Notes |
|---|---|---|
| 90-100 | Very Easy | Easily understood by an average 11-year-old. |
| 60-70 | Standard | Easily understood by 13- to 15-year-old students. |
| 0-30 | Very Difficult | Best understood by university graduates. |
Developed by Rudolf Flesch in 1948, this formula remains the global standard for assessing the clarity of legal documents, school books, and SEO content.
Examples
Simple Text: "The cat sat on the mat. It was a very happy cat."
Reading Ease: ~110 (Very Easy)
Complex Text: "The mathematical formulation of the quantum mechanics required significant abstract algebra."
Reading Ease: ~30 (Difficult)