About the Flesch Reading Ease Readability Formula
The Flesch Reading Ease score is acquired using a specific mathematical formula that takes into account average sentence length and the average number of syllables per word. The result is a number ranging from 0 to 100. The higher the number, the easier the text is to read.
• Scores between 90.0 and 100.0 are considered easily understood by an average 5th grader.
• Scores between 60.0 and 70.0 are considered easily understood by 8th and 9th graders.
• Scores between 0.0 and 30.0 are considered easily understood by college graduates.