Readability Score

Calculate Flesch Reading Ease and Flesch-Kincaid grade level for any text. Free online readability analyzer, no signup, browser-based.

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Frequently asked questions

Good Flesch Reading Ease score?
Scores 60-70 are plain English readable by most 8th-9th graders. 70-90 is easy, 0-30 is very difficult. Aim for 60+.
How accurate is syllable counting?
Uses a common vowel-group heuristic tuned for English. About 80-90% accurate on typical prose.
Works for non-English text?
Flesch-Kincaid was designed for English. Scores for other languages may be directionally useful but not validated.