Readability Checker
Check the readability score of your content
Calculator
How to Use
Check your text readability with multiple formulas
Paste your text
Copy and paste your article, blog post, or content into the text area
Click Analyze
Press the Analyze Readability button to calculate all scores
Review scores
Check Flesch Reading Ease, grade level, and other readability metrics
Apply suggestions
Follow the improvement suggestions to make your content more readable
Flesch Reading Ease Formula
206.835 - 1.015 * (words/sentences) - 84.6 * (syllables/words)
Scores range from 0-100. Higher scores mean easier reading. 60-70 is ideal for web content. Scores below 30 indicate very difficult text suitable only for experts.
Frequently Asked Questions
The Flesch Reading Ease score measures how easy text is to read on a scale of 0-100. Higher scores indicate easier readability. A score of 60-70 is considered ideal for most web content. The formula is: 206.835 - 1.015 * (words/sentences) - 84.6 * (syllables/words).
For web content, aim for a Flesch Reading Ease score of 60-70 (standard to fairly easy) and a grade level of 6-8. This ensures your content is accessible to the widest possible audience, including those who may not be native English speakers.
The Gunning Fog Index estimates the years of formal education needed to understand text on first reading. It considers sentence length and complex words (3+ syllables). A Fog Index of 12 requires high school graduate reading level. For broad audiences, aim for 7-8.
To improve readability: 1) Use shorter sentences (15-20 words average), 2) Choose simple words over complex ones, 3) Break up long paragraphs, 4) Use active voice, 5) Avoid jargon and technical terms when possible, 6) Use transition words to improve flow.
SMOG (Simple Measure of Gobbledygook) estimates the years of education needed to understand text. It focuses on polysyllabic words (3+ syllables). SMOG is particularly useful for healthcare and educational content. A SMOG of 6-7 is readable by most adults.
Readability affects SEO indirectly through user engagement metrics. Easy-to-read content keeps visitors on your page longer, reduces bounce rate, and increases shares. Google considers user experience signals, so better readability can improve rankings.