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Calcolatore gratuito Dale-Chall

How easy is your material to read? Add an English passage and calculate its Dale-Chall readability score.

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What is Dale-Chall readability?

Dale-Chall estimates the U.S. reading-grade band needed to understand English prose. It combines sentence length with the percentage of words outside the Dale-Chall list of familiar words.

Scopri le metriche di leggibilitĂ 

How is the score calculated?

Punteggio = 0,1579 x % parole difficili + 0,0496 x (parole / frasi)

Quando le parole difficili costituiscono piĂą del 5% del brano, la formula aggiunge 3,6365 al punteggio.

How should I use the result?

Readability evaluators offer a starting point. Your readers’ background knowledge, the subject, and the way you organize information also affect how easy a text is to understand.