Text & Content
Readability Calculator - Calculate text readability using multiple formulas
Calculate text readability using multiple formulas
Formulas and edge cases are reviewed against authoritative references before publication. For methodology, editorial standards, or corrections, use the links below.
Frequently asked questions
What is a good readability score?
Flesch 60-70 (8th grade) for general audience. Higher = easier. Web content aims for 50-60.
Which formula should I use?
Use multiple and average. Flesch-Kincaid is most common. SMOG is best for health content.
How are syllables counted?
Algorithm estimates based on vowel patterns. May have 5-10% error vs manual count.
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About this tool
This Readability Calculator turns your inputs into practical results. Provide Text to Analyze to calculate Average Grade Level and Flesch Reading Ease.
Adjust values to compare scenarios and see how sensitive the result is. The calculation uses the numbers as entered, so double-check units and expect small differences from rounding in the displayed totals.