📝 Readability Score Calculator
Paste your content to get its Flesch Reading Ease score, word, sentence, and syllable counts, and a plain-English grade band — a quick way to check whether your SEO copy reads easily.
📝 Score Your Content
What is a Readability Score Calculator?
It applies the Flesch Reading Ease formula to your text, using average sentence length and syllables per word to rate how easy the writing is to read. You get the score, a grade band from "Very easy" to "Very difficult", and the underlying word, sentence, and syllable counts.
Use it to keep SEO content approachable: aim for a score of 60 or higher for a general audience, break up long sentences, and swap complex words for plainer ones. Readable content holds attention, earns links and shares, and helps you match the search intent behind the query.
❓ Frequently Asked Questions
What is the Flesch Reading Ease score?
It's a readability formula that rates text from roughly 0 to 100 based on average sentence length and syllables per word. Higher scores mean easier reading: 90+ is very easy, 60–69 is standard plain English, and below 30 is very difficult. It gives you a fast, objective sense of how approachable your writing is.
Does readability affect SEO?
Indirectly, yes. Google doesn't rank pages on a readability score, but content that's easy to read keeps visitors engaged, lowers bounce, and gets shared and linked more — all signals that support rankings. Clear writing also helps you match search intent and win featured snippets.
What readability score should I aim for?
For most web content, target a Flesch score of 60 or above — plain English a wide audience can follow. Technical or specialist topics naturally score lower, so treat the number as a nudge toward shorter sentences and simpler words rather than a hard rule.
How are syllables counted here?
The tool uses a deterministic heuristic: it lowercases each word, counts vowel groups, drops a trailing silent 'e', and treats every word as at least one syllable. That makes the score reproducible and fast, though it's an approximation rather than a dictionary-perfect count.