Dale-Chall Readability Calculator
Calculate the Dale-Chall Readability Score based on difficult word percentage and sentence length.
Dale-Chall Analysis
words, sentences, difficult words
Dale-Chall Formula
Raw Score = 0.1579(PDW) + 0.0496(ASL)
If PDW > 5%, add 3.6365
PDW = Percentage of Difficult Words
ASL = Average Sentence Length
Dale-Chall Score
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📚Grade Level
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📊Difficult Words
0%
📝Avg Sentence Length
✓Readability
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Target Audience
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About Dale-Chall
Developed by Edgar Dale and Jeanne Chall in 1948, this formula uses a list of 3,000 words familiar to 4th graders. The 1995 revision is one of the most reliable readability formulas for older readers.