Readability & Metric Calculators

Measures reading ease using the Flesch-Kincaid Ease formula based on sentence and word lengths.

Estimates educational grade level required to understand the text using sentence lengths and complex words percentages.

Calculates grade readability based on character and sentence counts per 100 words.

Calculates the SMOG grade level using polysyllabic word counts.

Calculates readability levels based on character-to-word and word-to-sentence ratios.

Determines reading difficulty using a lookup list of common words.

Consolidates multiple readability metrics to estimate the average target reading grade.

Identifies and flags sentences containing multiple subordinate clauses.

Highlights sentences that exceed target word lengths to simplify revisions.

Measures structural clarity using jargon ratios and complex grammar patterns.

Checks paragraph lengths to flag structures that exceed readability guidelines.

Analyzes sentence distributions to identify rhythm patterns.

Measures average syllables count per word.

Profiles target reader segments matching readability scoring scales.

Evaluates if text is appropriate for children based on simple words lookup and sentence lengths.

Measures vocabulary complexity relative to academic publication benchmarks.

Checks conformance against plain-language writing regulations guidelines.

Evaluates document layout scannability using paragraphs and list metrics.

Checks active versus passive voice ratios.

Calculates the ratio of complex words to total words.

Checks transitions and lexical repetitions to map semantic cohesion.

Calculates reading difficulty on 0-100 ease scales.

Filters and counts words containing only a single syllable.

Filters and counts words containing three or more syllables.

Estimates reading effort using syntactic complexity and vocabulary metrics.

Calculates estimated retention rates based on text lengths.

Measures structural text rhythm using variations in sentence lengths.

Measures lexical variation using Type-Token Ratios (TTR).

Calculates the average number of letters per word.

Consolidates all readability index calculators and metric panels into a single page.