Free Tool
Reading Level Analyzer
Analyze the reading level of any text using Flesch-Kincaid, Gunning Fog, SMOG, and other readability formulas.
Reading Level Analyzer
Paste your text (at least 50 characters) to analyze its reading level
About Readability Scores
Flesch Reading Ease
Scores from 0-100. Higher scores indicate easier text. 60-70 is considered standard for most audiences.
Flesch-Kincaid Grade
Indicates the US school grade level needed to understand the text. A score of 8 means 8th grade reading level.
Gunning Fog Index
Estimates years of formal education needed. Ideal score for most documents is 7-8.
SMOG Index
Simple Measure of Gobbledygook. Often used for healthcare materials. Based on polysyllabic word count.
Want to improve your reading comprehension?
OneWord uses AI-powered techniques to help you read faster while understanding more.