Catile Score Pair Readings to Learners
An Advanced Reading Difficulty Measurement for Native English Speakers. Presented by Cathoven AI, this highly accurate text difficulty calculator is offered for free.
With Cathoven Language Hub’s Catile analyser, you can measure different aspects of the text. Cathoven Hub provides four detailed sub-scores to identify exact areas of text difficulty, enabling you to tailor your text precisely for your target readers.
The words in easy texts have simple sounds and few syllables.
For harder texts, the words have more syllables and complex sounds.
The words of the easier text are common and concrete. They are learned at younger ages.
Hard texts have rare and abstract words. The kinds of words that are learned at older ages.
Easier texts have shorter sentences with overlapping words between them.
The sentences are longer in harder texts. And there are fewer overlapping words between them..
There are more repeated words and phrases in easy texts.
Harder texts have fewer repeated words and phrases.
We did research to find the Catile levels for each grade. The data is collected from students in the United States with a size of over 500 thousand samples. You can see the results in the table below.
The table shows the range of Catile levels suitable for a certain grade. As an example, for grade 5 students, texts with Catile levels between 795C and 1100C are suitable. You can also say a text with 900C is suitable for grade 5 and grade 6 students.
Min. Catile Level
Max. Catile Level