Readability formulas count just a few features of a text put the counts into a mathematical formula and give you a numberusually a school grade or a reading age. Generally readability can be broken down into two factors. The following sections explain how each test scores your files readability.
These readability tests are used extensively in the field of education.
Most readability formulas focus on long sentences and long words. If a person reads at or above a grade level they will understand 90-100 of the information. The grade level score from a readability formula is based on the average length of the words and sentences. Good writing should be highly readable in order to be clearly understood by a wide audience.