Plots your sample on the classic Fry readability graph and returns the grade level region your text falls into.
日本語 向けではありません
このツールは英語（および関連言語）向けに調整されています。日本語 の結果は意味をなさない可能性があります。
Edward Fry's readability graph (1968) was designed for teachers to estimate the grade level of texts without complex math.
You count the average number of sentences and syllables per 100 words, then locate the point on his graph to read off a grade level.
This tool computes the point automatically and plots it on a digital version of the graph.
Edward Fry observed that no single formula worked across grade levels. The graph captures the curved relationship between syllable density and sentence length.
Yes, especially in K-12 education. Fry remains popular for evaluating reading material in primary and secondary classrooms.
Classic 0–100 readability score.
readabilityU.S. grade level for your text.
readabilityPenalises complex (3+ syllable) words.
readabilityHealth & medical text grade level.