Free Writing Tool
Reading Level Analyzer
Instantly calculate the reading grade level of any text using six industry-standard formulas. Optimise your blog content for your target audience.
Enter text to see your blog readability score.
-Avg grade level
-Flesch ease score
-Avg sentence length
-Complex words
Formula Breakdown6 readability formulas
| Formula | Score | Grade / Level | Audience | Status |
|---|---|---|---|---|
| Flesch-Kincaid Grade Most widely used grade-level formula. Ideal for blog content. | - | - | - | N/A |
| Gunning Fog Index Factors in complex (3+ syllable) words. Good for business writing. | - | - | - | N/A |
| SMOG Index Best for health & medical content. Requires 30+ sentences for full accuracy. | - | - | - | N/A |
| Coleman-Liau Index Based on characters per word instead of syllables. | - | - | - | N/A |
| Automated Readability Uses characters and words rather than syllables. | - | - | - | N/A |
| Flesch Reading Ease Score 0–100. Higher = easier. 60–70 is ideal for most blogs. | - | - | - | N/A |
Reading level quick reference
Grade 6–8 - Ideal for most blogs
Flesch 60–70 - Standard / easily readable
Grade 9–12 - Acceptable, slightly dense
Grade 13+ - Too complex for general blogs
Sentences: aim for 15–20 words each
Complex words: keep below 10%