Readability Checker – Flesch Score & Grade Level Free Online
Analyze text readability with Flesch-Kincaid Reading Ease score, grade level, and improvement suggestions. Free browser-based readability analyzer.
Frequently Asked Questions
A score from 0 to 100. Higher is easier to read. Scores 70+ are easy for most readers. Scores below 30 are very difficult, suited for academic text.
An estimate of the US school grade required to understand the text. Grade 8 = 8th grader. Aim for 6–8 for general web audiences.
Syllables are estimated by counting groups of consecutive vowels per word. This is an approximation that works well for typical English prose.
No. All calculations run in your browser using JavaScript. Your text is never uploaded anywhere.
What is Readability Checker – Flesch Reading Ease Score & Grade Level?
A readability checker measures how easy your text is to read using established formulas. The Flesch-Kincaid Reading Ease score (0–100, higher = easier) and Grade Level score are calculated from average sentence length and average word length. Writers, SEO professionals, and educators use readability scores to ensure content matches the target audience's reading level — too complex loses readers, too simple loses credibility.
How to Use Readability Checker – Flesch Reading Ease Score & Grade Level
- 1Paste your text into the input area.
- 2Readability scores update in real time as you type.
- 3Check the Flesch-Kincaid Reading Ease score (aim for 60+ for general web content).
- 4Review the Grade Level — this is the US school grade needed to understand the text.
- 5Apply the suggestions to shorten sentences and simplify vocabulary.
Key Features
- ✓Flesch-Kincaid Reading Ease score (0–100)
- ✓Flesch-Kincaid Grade Level
- ✓Average sentence and word length stats
- ✓Improvement suggestions for complex text
- ✓Real-time scoring as you type
Benefits
- →Write content appropriate for your target audience
- →Improve SEO by matching content clarity to user intent
- →Meet readability requirements for educational or healthcare content
- →Identify dense paragraphs that need simplifying
Why Use Irreva for Readability Checker – Flesch Reading Ease Score & Grade Level?
Frequently Asked Questions
What is the Flesch Reading Ease score?
A score from 0 to 100. Higher is easier to read. Scores 70+ are easy for most readers. Scores below 30 are very difficult, suited for academic text.
What is the Flesch-Kincaid Grade Level?
An estimate of the US school grade required to understand the text. Grade 8 = 8th grader. Aim for 6–8 for general web audiences.
How are syllables counted?
Syllables are estimated by counting groups of consecutive vowels per word. This is an approximation that works well for typical English prose.
Is my text sent to a server?
No. All calculations run in your browser using JavaScript. Your text is never uploaded anywhere.
What is a good Flesch-Kincaid Reading Ease score?
60–70 is standard (readable by most adults). 70+ is easy and plain English. Below 30 is very difficult (academic/legal). For general web content aim for 60 or above.
Is this the same as the AI Readability Checker?
Similar formulas, different tool. This text-tab tool analyzes pasted content instantly. The AI Readability Checker (/ai-readability-checker) adds Gunning Fog, passive voice detection, and deeper suggestions.
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