Calculate Text Complexity
Get instant readability scores, grade levels, and detailed text metrics.
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Reading Ease
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Flesch Scale
Grade Level
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Flesch-Kincaid
Fog Index
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Years of Education
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Sentences
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Words
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Syllables
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Complex Words
Education Level
Determines the approximate US grade level required to understand the text.
Reading Ease
Scores how easy your text is to read. Higher scores mean easier to understand.
Detailed Metrics
Provides sentence count, word count, syllable count, and complex word density.
Try These Examples
Ernest Hemingway
Analyze the simple, direct style of The Old Man and the Sea.
Academic Text
Check the complexity of scientific or academic writing.
Legal Contract
Evaluate the typically high complexity of legal documents.
Children's Book
See the low grade level of Dr. Seuss.