Over 2,497+ analyses across all readability tools
Paste your text once to get all nine readability scores side by side: Flesch-Kincaid, SMOG, Gunning Fog, Dale-Chall, ARI, Coleman-Liau, Linsear Write, Lix, and Rix.
This combined readability score checker runs nine formulas on the same text: Flesch-Kincaid, SMOG, Gunning Fog, Dale-Chall, Automated Readability Index (ARI), Coleman-Liau, Linsear Write, Lix, and Rix. Paste once, compare every formula. No signup. Use it when you need to meet multiple guidelines (e.g. Flesch for marketing, SMOG for healthcare) or want a quick overview without opening nine separate pages.
Writers, editors, and content teams use a combined checker to measure clarity across different standards. Search engines and accessibility guidelines favor clear content; many organizations set targets like "8th grade or below." Seeing all scores side by side helps you spot where your text lands and revise accordingly.
Different formulas use different inputs—syllables, complex words, word lists, or character counts—so the same text can score differently. Comparing them shows you how each formula rates your content. Use the results to target a specific standard (e.g. SMOG for patient materials) or to get a fuller picture of readability.
A readability score measures how easy a piece of text is to read. Different formulas produce different scores: Flesch Reading Ease (0–100), Flesch-Kincaid grade level, SMOG, Gunning Fog, Dale-Chall, ARI, Coleman-Liau, Linsear Write, Lix, and Rix. This combined checker runs all nine so you can compare them at once.
Paste your text into the box above and click Analyze. You get all nine readability scores side by side—no signup. Use it for blog posts, essays, marketing copy, or any text. Compare formulas to see how they differ for your content.
Each formula uses different inputs: Flesch-Kincaid uses sentence length and syllables per word; SMOG and Gunning Fog focus on complex or polysyllabic words; Dale-Chall uses a familiar-words list; ARI and Coleman-Liau use character or letter counts. So the same text can score differently. The combined checker lets you see them all at once.
Use it when you want to compare formulas, meet multiple guidelines (e.g. Flesch for marketing and SMOG for healthcare), or get a quick overview without opening nine separate pages. For a single formula in depth, use the dedicated calculator pages linked below.
We offer dedicated pages for each formula: Flesch-Kincaid, SMOG Index, Gunning Fog, Dale-Chall, ARI, Coleman-Liau, Linsear Write, Lix, and Rix. See the Readability Calculators hub for the full list.
For a single formula in depth: Flesch-Kincaid Calculator, Flesch Reading Ease, Flesch-Kincaid Grade Level, SMOG, Gunning Fog, Dale-Chall, ARI, Coleman-Liau, Linsear Write, Lix, Rix, and the full Readability Calculators hub.