Analyze text readability with multiple scoring algorithms
Flesch Reading Ease: 60-70 is ideal for general audiences. Higher scores mean easier reading.
Grade Level Scores: Target grade 6-8 for broad audiences, 10-12 for professional content.
Complex Words: Words with 3+ syllables. Fewer complex words = easier reading.
Enter your text
Paste the content you want to analyze for readability.
View readability scores
See Flesch-Kincaid Grade Level, Reading Ease, and other metrics.
Interpret the results
Check the grade level and recommendations for your target audience.
Yes, the Readability Calculator is completely free with no limitations. Analyze as much text as you need without registration.
Yes, all readability analysis happens locally in your browser. Your text is never sent to any server, making it safe to analyze confidential documents.
The tool calculates Flesch Reading Ease, Flesch-Kincaid Grade Level, Gunning Fog Index, SMOG Index, and Coleman-Liau Index. Each score measures different aspects of text complexity.
For general audiences, aim for a Flesch Reading Ease of 60-70 (8th-9th grade level). Technical documentation can be more complex. Marketing and web content should be simpler, around 70-80.