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Readability

Readability


Fog Index Reading level by grade
17 College graduate
16 College senior
15 College junior
14 College sophomore
13 College freshman
12 High school senior
11 High school junior
10 High school sophomore
9 High school freshman
8 Eighth grade
7 Seventh grade
6 Sixth grade
Score School level (US) Notes
100.00–90.00 5th grade Very easy to read. Easily understood by an average 11-year-old student.
90.0–80.0 6th grade Easy to read. Conversational English for consumers.
80.0–70.0 7th grade Fairly easy to read.
70.0–60.0 8th & 9th grade Plain English. Easily understood by 13- to 15-year-old students.
60.0–50.0 10th to 12th grade Fairly difficult to read.
50.0–30.0 College Difficult to read.
30.0–10.0 College graduate Very difficult to read. Best understood by university graduates.
10.0–0.0 Professional Extremely difficult to read. Best understood by university graduates.