Readability Calculator
Paste any text for its Flesch Reading Ease score and Flesch–Kincaid grade level.
How to check readability
- Paste or type the text you want to check.
- The tool counts words, sentences, and syllables.
- Read the Flesch Reading Ease score and the grade level.
Frequently asked questions
What is a good Flesch Reading Ease score?
The score runs roughly 0–100, where higher is easier. 60–70 is plain English suitable for most readers; below 30 is difficult, college-level text. Most general writing aims for 60 or above.
What is the Flesch–Kincaid grade level?
It estimates the US school grade needed to understand the text. A grade level of 8 means an average eighth grader could read it. It is based on average sentence length and syllables per word.
Sources and methodology
Flesch Reading Ease and Flesch–Kincaid are formula-based estimates using sentence, word, and syllable counts. They were designed for English and should not be treated as a complete measure of clarity, accessibility, or comprehension.