Flesch Kincaid Readability Calculator
Copy and paste your text into the form below to see the estimated Flesh-Kincaid Grade level required to comfortably read your content.
Flesch-Kincaid Grade Level
The Flesch-Kincaid grade level was created by Rudolf Flesch as a way to interpret a United States grade level from his Reading Ease formula. He originally created it for the US Navy to analyze their technical material. Since then, it is become a widely respected formula suitable for use with many types of text.
Flesch readability tests work by taking into account sentence and word counts. The mathematical formula underlying the two tests look like this:
The Flesch Reading Ease score is arrived at by using this equation :
Flesch Reading Ease Score = 206.835 - 1.015 × ( Total Words / Total Sentences ) - 84.6 × ( Total Syllables / Total Words )
The Flesch-Kincaid Grade Level is arrived at by using this equation:
Flesch-Kincaid Grade Level = 0.39 × ( Total Words / Total Sentences ) + 11.8 × ( Total Syllables / Total Words ) - 15.59
Reading Grade Level Chart :
| Score | Est.Reading Grade Level | Description | |
|---|---|---|---|
| = 90 to 100 | 5thGrade | Very easy to read | |
| = 80 to 90 | 6thGrade | Easy to read | |
| = 70 to 80 | 7thGrade | Fairly easy to read | |
| = 60 to 70 | 8th and 9th Grade | Plain English | |
| = 50 to 60 | 10th to 12th Grade | Fairly difficult to read | |
| = 30 to 50 | College(13th to 14th) | Difficult to read | |
| = 0 to 30 | College Graduate(16th to 18th) | Very difficult to read |