@technobuddha > library > String > Analysis

Function: readability()

function readability(text: string): number;

Defined in: readability.ts:28

Calculates the Flesch-Kincaid readability score for a given text.

The Flesch-Kincaid readability score estimates how easy a text is to read, with higher scores indicating easier readability. The formula considers the average number of words per sentence and the average number of syllables per word.

Score	School Level	Notes
100.00–90.00	5ᵗʰ grade	Very easy to read. Easily understood by an average 11-year-old student.
90.0–80.0	6ᵗʰ grade	Easy to read. Conversational English for consumers.
80.0–70.0	7ᵗʰ grade	Fairly easy to read.
70.0–60.0	8ᵗʰ & 9ᵗʰ grade	Plain English. Easily understood by 13-15 year-old students.
60.0–50.0	10ᵗʰ to 12ᵗʰ grade	Fairly difficult to read.
50.0–30.0	College	Difficult to read.
30.0–10.0	College graduate	Very difficult to read. Best understood by university graduates.
10.0–0.0	Professional	Extremely difficult to read. Best understood by university graduates.

Parameters

Parameter	Type	Description
text	string	The input text to analyze.

Returns

number

The Flesch-Kincaid readability score as a number.

See

https://en.wikipedia.org/wiki/Flesch–Kincaid_readability_tests