Readability Checker — Free Online Tool
Calculate Flesch-Kincaid scores and analyze text readability instantly.
0Reading Ease
0Grade Level
0Avg Words/Sentence
0Avg Syllables/Word
0Sentences
0Words
Interpretation
Enter text to see readability analysis...
📊 Flesch Reading Ease Scale
90-100: Very Easy (5th grade)
80-90: Easy (6th grade)
70-80: Fairly Easy (7th grade)
60-70: Standard (8th-9th grade)
50-60: Fairly Difficult (10th-12th grade)
30-50: Difficult (College level)
0-30: Very Difficult (College graduate)
About Readability Checker
The Readability Checker analyzes your text and provides detailed readability metrics including Flesch Reading Ease score, Flesch-Kincaid Grade Level, average sentence length, and syllable counts. Understand how accessible your writing is to different audiences.
Perfect for writers, content creators, students, educators, and marketers who want to ensure their content reaches the right audience. Adjust your writing complexity based on data-driven insights about sentence structure and word difficulty.
How to Use Readability Checker
- Paste or type your text into the editor.
- View instant readability scores and metrics.
- Check the interpretation guide for your scores.
- Revise your text to improve readability if needed.
Key Features
Flesch Reading Ease score (0-100)
Flesch-Kincaid Grade Level
Average words per sentence
Average syllables per word
Total sentences and words count
Readability interpretation guide
Real-time analysis as you type
100% client-side processing
Frequently Asked Questions
What is Flesch Reading Ease score?
A score from 0-100 that indicates how easy text is to read. Higher scores (90-100) are very easy, while lower scores (0-30) are very difficult.
What is Flesch-Kincaid Grade Level?
It estimates the U.S. school grade level needed to understand the text. A score of 8.0 means an 8th grader should be able to read it.
How are readability scores calculated?
Scores use formulas based on sentence length and syllable count. Shorter sentences and simpler words improve readability.
What is a good readability score?
For general audiences, aim for 60-70 (Flesch Reading Ease) or grade level 8-10. Technical writing can be lower, while marketing copy should be higher.
How can I improve my readability score?
Use shorter sentences, choose simpler words, break up long paragraphs, and reduce passive voice. The tool shows specific suggestions.