Readability Checker
Paste your text and instantly get a Flesch-Kincaid readability score, grade level, detailed text statistics, and estimated reading time — all processed in your browser.
Readability Score
63.1
out of 100
Standard
8th-9th grade level. Plain English. Good for most audiences.
85
Words
6
Sentences
2
Paragraphs
1 min
Read Time
8
Grade Level
438
Chars (no spaces)
14.2
Words/Sentence
1.5
Syllables/Word
Why use it
Write at the right level for your audience
Flesch-Kincaid Score
The industry-standard readability formula used by educators, publishers, and SEO professionals to gauge content accessibility.
Grade Level Rating
See what education level your content is written for — from 5th grade to college graduate. Aim for 7th-8th for general audiences.
Reading Time Estimate
Get an accurate estimate of how long it takes to read your content so you can optimize for attention spans.
Detailed Text Statistics
Word count, sentence count, paragraph count, average words per sentence, syllable density — everything you need to refine your writing.
Frequently Asked Questions
Write content that reads well. Supablog writes at the right level for your audience.
Supablog's AI Writer produces content optimized for readability, engagement, and SEO — automatically matching your audience's reading level while keeping the brand voice intact.
Get started for free