Gunning Fog Index Calculator
Calculate the Fog Index to determine the years of education needed to understand a text.
Text Analysis
words, sentences, complex words
Fog Index Formula
Fog Index = 0.4 x (Average Sentence Length + Percentage of Complex Words)
Complex words are those with 3 or more syllables, excluding proper nouns, familiar jargon, and compound words.
Gunning Fog Index
0
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📚Grade Level
N/A
📊Complex Words
0%
📝Avg Sentence Length
✓Readability
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Target Audience
N/A
Tips for Better Readability
- * Use shorter sentences (15-20 words average)
- * Replace complex words with simpler alternatives
- * Aim for Fog Index of 8-10 for general audiences
- * Break long paragraphs into shorter ones