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Linsear Write Readability Calculator

Score easy (≤2 syllable) vs. hard (3+ syllable) words across a 100‑word sample to estimate grade level.

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。

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仕組み

Linsear Write was created by the US Air Force as a fast readability check for technical manuals.

It weights "easy" (1–2 syllable) words and "hard" (3+ syllable) words differently within a 100-word sample.

Best used as a quick sanity check rather than a definitive readability score.

Where does Linsear Write come from?

The US Air Force developed Linsear Write to help airmen evaluate technical writing without specialist training.

Classic 0–100 readability score.

U.S. grade level for your text.

Penalises complex (3+ syllable) words.

Health & medical text grade level.