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FORCAST Readability Calculator

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

Niet ontworpen voor Nederlands

Deze tool is gekalibreerd voor Engels (en enkele verwante talen). Resultaten in Nederlands zijn waarschijnlijk niet betekenisvol.

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Zo werkt het

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.