Readability Scorer
Paste your text to get instant readability scores, grade levels, and reading difficulty analysis.
Enter at least 10 words and one full sentence for accurate results.
Flesch Reading Ease
Hard
Easy
Flesch-Kincaid Grade
Gunning Fog Index
Coleman-Liau Index
SMOG Index
Automated Readability
Avg Words / Sentence
About These Scores
Flesch Reading Ease — 0-100 scale. Higher = easier. 60-70 is standard for most adults.
Flesch-Kincaid Grade — US school grade level needed to understand the text.
Gunning Fog — Estimates years of formal education needed. Uses complex word ratio.
Coleman-Liau — Based on character count rather than syllables. Grade level output.
SMOG — "Simple Measure of Gobbledygook." Requires 30+ sentences for best accuracy.
ARI — Automated Readability Index. Character-based grade level estimate.