Writing & Content · Free tool
Reading Grade Estimator
Flesch-Kincaid grade and interpretation for any passage — syllable-aware, client-side, no network.
Updated April 2026
Sentences
3
Words
33
Syllables
43
Grade level
Grade 4
Interpretation
Very easy — elementary school.
Formula: Flesch—Kincaid Grade = 0.39·(words/sentences) + 11.8·(syllables/words) − 15.59
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What it does
Get a Flesch-Kincaid grade and plain-English verdict for any passage.
Runs entirely in your browser — no upload, no account, no watermark. For more tools in this category see the full tools index.
How to use it
- Paste the text.
- Read the grade.
- Edit to hit your target.
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