Text & Writing Tools
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Readability Checker (Flesch-Kincaid, Gunning Fog, SMOG)

Score text readability with Flesch, Gunning Fog, and SMOG formulas.

Words

54

~0.1 pages
Characters

379

(329 no spaces)
Sentences

4

Avg 13.5 words/sent
Paragraphs

1

95 syllables
Reading Time

0m 15s

@ 225 WPM
Readability

36.3/100

Difficult
Sample Text:

International Readability Scoring Suite

Grade Level: 11.4 (18-22 years old)
Flesch Reading Ease

36.3 / 100

Difficult (College level)

Flesch-Kincaid Grade

Grade 11.4

US School Grade Level

Gunning Fog Index

16.9

Years of formal education needed

Coleman-Liau Index

17.7

Letter & sentence ratio grade

SMOG Index

14.2

Simple Measure of Gobbledygook

Automated Readability (ARI)

13.7

Character-to-word comprehension

About Readability Checker (Flesch-Kincaid, Gunning Fog, SMOG)

Evaluate reading grade levels using industry-standard formulas: Flesch Reading Ease, Flesch-Kincaid Grade Level, Gunning Fog Index, Coleman-Liau, SMOG, and ARI.

Key Capabilities & Features

  • Calculates Flesch Reading Ease (0-100 scale)
  • Calculates US School Grade Level via Flesch-Kincaid
  • Computes Gunning Fog, Coleman-Liau, SMOG, and ARI scores
  • Provides actionable suggestions to simplify vocabulary and syntax

How to Use Readability Checker (Flesch-Kincaid, Gunning Fog, SMOG)

1

Paste Copy

Paste your article or copy into the editor.

2

Analyze Scores

Switch to Readability tab to inspect grade level and comprehension age.

Privacy & In-Browser Execution Guarantee

All text operations execute 100% in your browser with zero server uploads.

Frequently Asked Questions

What is a good Flesch Reading score?

A score of 60 to 70 is standard (8th-9th grade), easily understood by a general audience.