Flesch-Kincaid Grade Level Calculator - Free, Instant, In Your Browser
Paste text below (at least one full sentence) to calculate the approximate US school grade level needed to understand it.
How to use Flesch Kincaid Grade Level Calculator
- 1Paste your text or data into the input box above.
- 2Flesch Kincaid Grade Level Calculator runs instantly, right in your browser.
- 3Copy the result or use it directly.
Your file is processed in your browser and is never uploaded.
Frequently Asked Questions
What's the formula?
Grade = 0.39 × (words/sentences) + 11.8 × (syllables/words) − 15.59.
Is my data sent to a server?
No - everything runs entirely in your browser with JavaScript. Nothing is uploaded.