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Text Readability Calculator
Paste your text below to instantly analyze its structure and calculate popular readability scores like Flesch-Kincaid.
Analysis Results
Flesch Reading Ease
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Higher score means easier to read (0-100).Flesch-Kincaid Grade Level
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Score approximates U.S. school grade level.General Assessment
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Based on the Flesch Reading Ease score.Text Metrics
How Readability is Calculated
Readability formulas use statistical measures of language complexity to determine comprehension difficulty. This tool primarily uses the word count, sentence count, and a simplified syllable count to calculate the scores.
- ✔️ **Flesch Reading Ease:** Calculates a score out of 100. Scores between 60 and 70 are considered easily understood by 8th to 9th graders.
- ✔️ **Flesch-Kincaid Grade Level:** Translates the score into a U.S. school grade level required to understand the text.
- ✔️ **Local Processing:** All calculations are performed directly in your browser, ensuring maximum privacy and speed.
- ✔️ **Real-time Feedback:** Instantly see how changes to your text affect the readability scores.
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FAQs about Text Readability
Which readability index is the best?
There is no single "best" index. Flesch-Kincaid Grade Level is often preferred for assessing school level, while Flesch Reading Ease is good for general audience content. Use both scores for a balanced view.
How is the syllable count estimated?
The syllable count uses a common programming heuristic (pattern matching) to count vowel groups in each word. While highly accurate for most English words, it is an estimation, not a linguistic rule.
What is a good Flesch Reading Ease score?
A score between 60-70 is generally considered acceptable for most web content, as it targets an 8th to 9th-grade reading level, suitable for the average adult.