Check Flesch-Kincaid, Gunning Fog, SMOG, Coleman-Liau, and ARI readability scores of any text — free, instant, no signup.
Your Text
Enter at least 5 words to see readability scores
Paste any text into our free readability score checker and instantly see six industry-standard readability metrics side-by-side. Whether you are writing blog posts, academic papers, marketing copy, or technical docs, knowing your reading level helps you reach the right audience. All calculations happen in your browser — no data is sent to a server.
How to Use
- 1Paste or type your text into the input box (at least 5 words).
- 2Scores appear automatically — no button click needed.
- 3Check the Flesch Reading Ease score: 60–70 is ideal for general audiences.
- 4Use the Flesch-Kincaid Grade Level to match your text to a school grade.
- 5Aim for a Gunning Fog index below 12 for broad readability.
Frequently Asked Questions
What is the Flesch Reading Ease score?
Flesch Reading Ease ranges from 0 (very confusing) to 100 (very easy). A score of 60–70 suits most general audiences, while scores above 80 are suitable for 6th-grade readers. Scores below 30 are considered professional or academic level.
What is a good Flesch-Kincaid grade level?
The Flesch-Kincaid Grade Level maps your text to a US school grade. Grade 8 (eighth grade) is considered the standard reading level for everyday content. Most major newspapers target grades 6–8.
How is the Gunning Fog Index calculated?
Gunning Fog = 0.4 × (average sentence length + percentage of complex words). Complex words have three or more syllables. A score under 12 is accessible to most readers; above 17 is college-graduate level.