読みやすさスコア 7 input languages

Raygor Readability Graph Calculator

A visual readability estimator that uses letter counts instead of syllables. Useful when syllable counting is unreliable.

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。

リアルタイム更新

0 chars

仕組み

The Raygor estimate (1977) is similar to Fry but counts long words (6+ letters) instead of syllables — easier to do by hand or in code.

It plots sentences-per-100-words against long-words-per-100-words to estimate a grade level.

How is Raygor different from Fry?

Raygor uses "long words" (6+ letters) instead of syllables. This eliminates the syllable-counting step but loses some accuracy.

Classic 0–100 readability score.

U.S. grade level for your text.

Penalises complex (3+ syllable) words.

Health & medical text grade level.