How to read your score
Flesch reading ease runs from 0 to 100, and higher is easier. 90 and above reads like conversation, 60 to 70 is plain English, and under 30 is very dense. The grade level turns the same idea into a US school grade.
Free Readability Checker
Paste your writing to see its Flesch reading ease score, grade level and the long sentences that are slowing readers down.
Flesch reading ease
0
Paste some text to see its reading ease and grade level.
What your readability score means.
Two established formulas, read in plain terms. Here is how to interpret the score and what it cannot tell you.
What the score does not tell you
Readability formulas count sentence and word length. They do not judge whether your argument is clear, accurate or well organized. Use the score as a signal, then read the text aloud.
Checking AI-written drafts
AI drafts often run long and formal. Paste one in, shorten the sentences it flags and cut filler. Then check the length with the word counter or tighten it with the summarizer.
Questions, answered.
For general audiences, aim for 60 to 70, which is plain English. Scores above 80 are easy to read. Scores below 50 are harder and suit academic or specialist readers.
It estimates the US school grade a reader needs to understand the text. A grade of 8 means an average eighth grader can follow it. Most web content aims for grade 7 to 9.
Both scores use average sentence length and average syllables per word. Longer sentences and longer words lower the reading ease score and raise the grade level.
Shorten long sentences, prefer common words, use active verbs and keep one idea per sentence. The tool lists your longest sentences so you know where to start.
The formulas were designed for English, and the syllable counting here is tuned for English. Results for other languages are not reliable.
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