How to Calculate Text Readability Score
What is Text Readability Score?
Readability scores measure how easy a piece of writing is to understand. The Flesch Reading Ease and Flesch-Kincaid Grade Level are the most widely used metrics in publishing, education, and digital content.
Formula
- RE
- 206 — 206
Step-by-Step Guide
- 1Flesch RE = 206.835 - 1.015(words/sentences) - 84.6(syllables/words)
- 2Score 70-80 = easy (plain English); 60-70 = standard; 50-60 = fairly difficult
- 3Grade level = 0.39(words/sentences) + 11.8(syllables/words) - 15.59
Worked Examples
Frequently Asked Questions
What is Readability Score?
Readability scores measure how easy a piece of writing is to understand. The Flesch Reading Ease and Flesch-Kincaid Grade Level are the most widely used metrics in publishing, education, and digital content
How accurate is the Readability Score calculator?
The calculator uses the standard published formula for readability score. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.
What units does the Readability Score calculator use?
This calculator works with inches. You can enter values in the units shown — the calculator handles all conversions internally.
What formula does the Readability Score calculator use?
The core formula is: Flesch RE = 206.835 - 1.015(words/sentences) - 84.6(syllables/words). Each step in the calculation is shown so you can verify the result manually.
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