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Text Readability Score

Flesch · Gunning Fog readability score + grade

Flesch Reading Ease

56.2

Flesch-Kincaid Grade

7.5

Gunning Fog Index

9.7

Recommended grade

10th-12th grade

Words

25

Sentences

3

Syllables

42

Complex words (3+ syl)

4

How to use

  1. Paste or type your English text into the input field.
  2. Read the eight metrics that appear instantly: Flesch Reading Ease, Flesch-Kincaid Grade, Gunning Fog Index, recommended grade, word count, sentence count, syllable count, and complex-word count.
  3. Use Flesch Reading Ease (0–100, higher = easier) and the grade scores to judge audience fit.
  4. Note that all three formulas are calibrated for English — scores for other languages are approximate.

Examples

  • A short news paragraph of 30 words might score Flesch 65, FK Grade 8, Fog 10 — suitable for a general adult audience.
  • A legal contract passage with long sentences and polysyllabic words typically scores Flesch below 30 and a Fog index above 18.

Verify outputs before using in production. No warranty — see Terms.