Readability Score Checker
Check the readability of your text with Flesch-Kincaid and other readability scores.
About Readability Score
Analyze your text's reading level using Flesch Reading Ease and Flesch-Kincaid Grade Level formulas to ensure it's accessible to your target audience.
About this calculator
Check how easy your writing is to read with the Flesch-Kincaid readability scores. Paste your text, press the button and get the reading ease, grade level and counts.
Shorter sentences and everyday words score higher. Official guidance for public information in India and abroad often recommends a plain-language level around grade 8.
How to use it
- Paste your text.
- Press Analyze Readability.
- Edit the text and run it again to see the score move.
Formulas
Flesch Reading Ease = 206.835 − 1.015 × (words ÷ sentences) − 84.6 × (syllables ÷ words). Scores run from 0 (very hard) to 100 (very easy): 60 to 70 is plain English, 30 to 50 is difficult and below 30 is very difficult. Flesch-Kincaid Grade = 0.39 × (words ÷ sentences) + 11.8 × (syllables ÷ words) − 15.59 and estimates the US school grade needed to follow the text.
Worked example
Typical scores
| 90 to 100 | Very easy (about grade 5) |
| 60 to 70 | Plain English (grade 8 to 9) |
| 30 to 50 | Difficult (college level) |
| 0 to 30 | Very difficult (graduate level) |
Everything runs in your browser. Your text is not uploaded or stored.
Tips and common mistakes
- Aim for a Reading Ease of 60 or more for general web content.
- Shorter sentences and shorter words lift the score fastest.
- Replace jargon with everyday words.
- Break long paragraphs.
- Readability scores measure form, not meaning, so a human edit is still needed.
Frequently asked questions
What is Flesch Reading Ease?
A score from 0 to 100 where higher means easier to read.
What is a good score?
60 to 70 is standard plain English.
What is the Flesch-Kincaid Grade Level?
The US school grade needed to understand the text.
How do I improve readability?
Use shorter sentences and simpler words.
Does it work for Hindi?
No. The formulas are designed for English.
Why is my score low?
Long sentences or many long words.