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FORCAST Readability Calculator

FORCAST is designed for technical text such as forms and instructions. It uses single‑syllable word counts.

No diseñado para Español

Esta herramienta fue calibrada para inglés (y algunos idiomas relacionados). Los resultados en Español podrían no ser significativos.

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Cómo funciona

FORCAST was developed in 1973 by Caylor, Sticht, Fox, and Ford specifically for technical, non-narrative writing (forms, manuals, instructions).

It uses a 150-word sample and counts single-syllable words: 20 − (single-syllable words / 10).

It does not require sentence-level analysis, which makes it ideal for evaluating bulleted or fragmented text.

20 - \frac{s in g l e S y l l ab l e W or d s _{150}}{10}

When should I use FORCAST?

FORCAST is designed for non-narrative text: instructions, forms, technical manuals. It does not require sentence-level analysis.