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Smog Calculator

SMOG Formula:

\[ SMOG = 3 + \sqrt{\text{polysyllabic words in 30 sentences}} \]

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1. What is the SMOG Index?

The SMOG (Simple Measure of Gobbledygook) index is a readability formula that estimates the years of education needed to understand a piece of writing. It's widely used in healthcare, government, and other fields to assess text difficulty.

2. How Does the Calculator Work?

The calculator uses the SMOG formula:

\[ SMOG = 3 + \sqrt{\text{polysyllabic words in 30 sentences}} \]

Where:

Explanation: The formula counts complex words (3+ syllables) in a text sample and calculates the approximate grade level needed to understand it.

3. Importance of Readability Scores

Details: Readability scores help ensure written materials match the audience's reading level, which is crucial for effective communication in healthcare, education, and public information.

4. Using the Calculator

Tips: Paste at least 30 sentences of your text. The calculator will count polysyllabic words and compute the SMOG index. For best results, use complete sentences.

5. Frequently Asked Questions (FAQ)

Q1: What's a good SMOG score for health materials?
A: For general public, aim for ≤8 (8th grade level). For specialized audiences, ≤10 may be acceptable.

Q2: How accurate is this calculator?
A: It provides a good estimate, but syllable counting is approximate. For official assessments, manual verification is recommended.

Q3: What if my text has fewer than 30 sentences?
A: The calculator will use available sentences but results may be less accurate. SMOG is most reliable with 30+ sentences.

Q4: Does SMOG work for all languages?
A: The SMOG formula was designed for English. Other languages require different readability formulas.

Q5: What other readability measures exist?
A: Common alternatives include Flesch-Kincaid, Gunning Fog, and Fry Readability formulas.

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