What is the Flesch Reading Ease score?

Flesch Reading Ease rates text on a 0–100 scale. Higher scores mean easier reading. 90–100 is very easy (5th grade), 60–70 is standard (8th–9th grade), and 0–30 is very difficult (professional/academic).

What does the Flesch-Kincaid Grade Level mean?

The FK Grade Level corresponds to a US school grade. A score of 8.0 means the text is readable by an 8th grader. Most newspapers target grades 6–8.

What is the Gunning Fog Index?

The Gunning Fog Index estimates the years of formal education needed to understand text on a first reading. A score of 12 corresponds to a US high school senior.

What is the SMOG Index?

SMOG (Simple Measure of Gobbledygook) estimates the years of education needed to understand a piece of writing. It is especially popular for assessing health literacy materials.

How is syllable counting done?

Syllables are counted by detecting vowel groups (a, e, i, o, u clusters) with adjustments for silent-e endings and common diphthongs, providing a close approximation.

How accurate are these readability formulas?

These formulas are widely used academic approximations. They work best on prose text of at least 100 words. Very short texts or code/lists may produce less reliable scores.

What is the ARI (Automated Readability Index)?

The ARI uses character counts rather than syllable counts to estimate grade level, making it well-suited for automated analysis. It tends to closely match Flesch-Kincaid results.

Is my text stored or sent anywhere?

No. All analysis is performed entirely in your browser using JavaScript. No text is sent to any server.

How is reading time calculated?

Reading time is estimated at 200 words per minute, the average adult silent reading speed.

What text length gives the most accurate results?

Most readability formulas were validated on samples of 100–200+ words. For best accuracy, analyze at least 100 words of continuous prose.

Readability Score Checker — Free Online Tool

Readability Score Checker कसरी प्रयोग गर्ने

1
Paste or type your text into the input area.
2
Scores are calculated instantly as you type — no submit button needed.
3
Review the six readability scores displayed on color-coded cards (green = easy, red = hard).
4
Check the grade level and target audience interpretation below each score.
5
Read basic text statistics: word count, sentence count, paragraph count, and average lengths.
6
Look at the reading time estimate for your text length.
7
Browse the most common words list to identify repetition or jargon.
8
Use the clear button to reset and analyze a new piece of text.

Readability Score Checker बारेमा

Is your writing easy enough for your target audience? The Readability Score Checker analyzes any text with 6 industry-standard readability formulas — giving you grade levels, audience insights, and actionable metrics in real time as you type.

6 Readability Scores Calculated

Flesch Reading Ease: 0–100 scale — higher means easier (90+ = 5th grade, 60–70 = standard)
Flesch-Kincaid Grade Level: US school grade equivalent
Gunning Fog Index: Years of formal education needed to understand on first reading
SMOG Index: Education years — especially popular for health literacy materials
ARI (Automated Readability Index): Character-based grade level estimate
Coleman-Liau Index: Another character-count-based grade level formula

Additional Statistics

Word count, sentence count, paragraph count, character count
Average sentence length, average word length, average syllables per word
Complex word count (3+ syllables) and reading time estimate at 200 WPM
Most frequent words visualization (stop words excluded)

Color-coded score cards (green = easy, yellow = moderate, red = difficult) make it easy to see at a glance whether your writing hits the right level. All analysis runs in your browser — no text is transmitted anywhere.

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