Flesch-Kincaid Readability Grade Calculator
Measure how easily your audience can read your content. Computes standard Flesch Reading Ease and Flesch-Kincaid Grade Level for articles, essays, and copy.
How to Use Flesch-Kincaid Readability Grade Calculator
Paste Copy
Paste your article, blog post, or draft into the text analyzer.
Analyze Scores
The engine calculates total words, sentences, syllables, and readability formulas.
Optimize Readability
Review sentence length suggestions to reach your target audience grade.
About Flesch-Kincaid Readability Grade Calculator
Applies formulas: Ease = 206.835 - 1.015*(words/sentences) - 84.6*(syllables/words); Grade = 0.39*(words/sentences) + 11.8*(syllables/words) - 15.59.
Supported Formats
Operational Limits
- •Optimized for English language text syllable estimation heuristics.
Key Features
- Calculates Flesch Reading Ease (0 to 100)
- Calculates Flesch-Kincaid Grade Level (1st grade to College)
- Word, sentence, and syllable counting engine
- Estimated reading time and target audience interpretation
- One-click copy of readability report
Frequently Asked Questions
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