Flesch readability scale lowest how to#

He developed this idea while pursuing a Ph.D. Best understood by university graduates.įlesch’s working assumption was that the shorter the sentence and the words within, the easier it is to understand. Easily understood by 13- to 15-year-old students. Easily understood by an average 11-year-old student.Įasy to read. The balance is your readability score.”įlesch also provided a table used for interpreting the scores. Multiply the average word length by 84.6. “Multiply the average sentence length by 1.015.

Flesch readability scale lowest how to#

He explained his formula in the second chapter of his book, How to Write Plain English : Working as a consultant to The Associated Press, Flesch came up with a system of evaluating readability for journalists and copywriters to use. The equation is based on the average count of words and syllables per word. The easier the text is to understand, the higher it is graded on a scale of 0 to 100. Used in communications since the 1940s, the equation created by Rudolf Flesch allows writers to optimize any text’s reading difficulty towards the target audience. The Flesch Reading Ease test measures the readability of a passage in English. In this post, I want to explore how the Flesch Reading Ease test can be used to analyze and improve readability, and in what ways it can be useful in terms of SEO. In turn, these metrics are related to rankings, so it’s essential to keep readability in mind when creating content. While not a direct ranking factor, readability is related to many user experience metrics, like bounce rate, time on page, and dwell time. Readability is the measure of how easy a text is to understand.