Online Readability Tool

The objective of a good writing is how easy the reading level of the text is. This will determine how easy or difficult the text is to understand. With help from our custom Essay writing service at EssaysBrother, we will help you identify Instances like word choice, vocabulary, syntax, and other text forms or features that contribute to better readability. To achieve a good readability score, you can use our free readability test tool.

What is Readability?

This is the use of an improved technology and AI that allows the need to improve reading and increase legibility, the correctness of vocabulary, and syntax. Using a reading level analyzer increases the chances of text having the quality of being legible, enjoyable, and readable. There are various formulas associated with calculating the reading level of text namely.

Flesch Reading Ease

With the formula 206.835 – 1.015 (total words/total sentences) – 84.6 (total syllables/ total words), this test calculates the average sentence length and the average number of syllables per sentence. The higher the score, the more readable the content is.

Flesch–Kincaid Grade

Formula: 0.39 (total words/total sentences) +11.8 (total syllables/ total words) + 15.59

The formula tests the score range from a scale of 0-12. This represents the school grade levels. It determines the approximate reading grade level of your text based on that score. The lower the Flesch-Kincaid grade level, the higher the readability. A score of five for example, requires a 5th-grade reading ability.

Gunning Fog Index Score

Formula 0.4 × ((total words ÷ total sentences) + 100 × total complex words ÷ total words).

This formula by Robert Gunning calculates a weighted average of the number of words per sentence and the number of long words per word. The index score then generates grade levels between 0 and 20 that estimates the level of education required to understand a text. An index of six is readable by a 6th grade, while an index of 17 is readable by a college graduate.

Why do We Need Readability?

Writing should be valid and reliable. All text should have a decent readability score that makes it easier to understand. Using our free readability checker helps identify complex vocabularies or expressions that are close. Those that affect readability negatively. Hard to comprehend text keeps off readers. No matter how excellent your ideas are, they remain complicated and vague. A text readability tool increases your SEO ranking and determines the score and content quality of your text. This maintains that text is enjoyable, keeping people glued more to your text & content.

Using Online Readability Checker

Our free text readability tool in three simple steps will allow you to validate, check, and edit your document.

  • Step 1: Submit the URL to your website by passing it into the placeholder, or copy-pasting the text or contents of your document into the textbox & click on “CALCULATE.”
  • Step 2: The Readability score checker analyzes and provides a detailed overview of your text readability score free. The text readability tool then recommends the syntax and semantic errors that will need addressing.
  • Step 3: Review & rewrite. The free text readability tool will suggest amends to your content. This is an important factor in improving your quality, ranking and scoring better in a Flesch readability test.

The free readability score checker will help you find out if your written text was easy to understand. It generates a summary table that shows the level of difficulty or ease with your text. In addition, the grade level that is associated with understanding it.


Score Ease level School level Details
90.0 -100.0 Very Easy 4th & 5th Grade Very Easy to read and understand
80.0 – 90.0 Easy 6th Grade Easy to read
70.0 – 80.0 Fairly Easy 7th Grade Fairly easy to read and understand
60.0 -70.0 Standard 8th Grade Easy & understandable. Students younger than 14 years
50.0 – 60.0 Fairly difficult 10th & 12th Grade Fairly difficult to read
30.0 – 40.0 Difficult College Hard to read & understand
0.0 – 30.0 Very difficult College Graduate Very difficult to read

FAQ about Readability and Readability Checker Online

Our readability test tool is free

The best score is in the range of 90-100.

You can review, edit & correct text to increase the score

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The rubric relies on aspects like short simple sentences, paragraph transitional words and use of monosyllabic words.

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