Readability Index Calculators

Each tool scores your pasted text with one readability index. ARI and Coleman-Liau work from letters and words, Gunning Fog shows the complex words behind its score, and SMOG grades text from its long words.

Tools in this group

• Automated Readability Index Calculator — Paste your text to get its ARI score and the grade level it points to.
• Coleman-Liau Index Calculator — Paste your text to get its Coleman-Liau index without counting syllables.
• Gunning Fog Index Calculator — Paste your text to get its Gunning Fog index and the complex words behind it.
• SMOG Index Calculator — Paste your text to get its SMOG grade from its long words.