Calculate readability scores including Flesch-Kincaid for your content. Get reading level, grade level, and suggestions for improving content readability.
Readability scoring measures how easy your content is to read. The Flesch-Kincaid formula is the most widely used, calculating scores based on sentence length and word syllable count. Content with a 6th-8th grade reading level reaches the broadest audience. Google favors readable content in rankings.
Flesch Reading Ease = 206.835 - (1.015 × ASL) - (84.6 × ASW)ASL = Average Sentence Length (words per sentence), ASW = Average Syllables per Word. Scores range from 0-100: 90-100 = 5th grade (very easy), 60-70 = 8th-9th grade (standard), 0-30 = college graduate (very difficult). Most web content should target 60-80.
| Input | Output |
|---|---|
| The cat sat on the mat. It was a sunny day. The birds sang loudly. | Flesch Reading Ease: 92.3 (Very Easy — 5th grade level) Avg sentence: 6 words, Avg syllables: 1.1 |
| Consequently, the implementation of multifaceted methodologies necessitates comprehensive evaluation protocols. | Flesch Reading Ease: 12.5 (Very Difficult — College graduate level) Avg sentence: 10 words, Avg syllables: 2.3 |
| Our tool helps you write better content. It checks your readability score and gives tips for improvement. | Flesch Reading Ease: 72.8 (Standard — 7th grade level) Avg sentence: 9.5 words, Avg syllables: 1.4 |