Readability Calculator

Analyse your text's readability using multiple scoring algorithms.

Paste your text to calculate readability scores using industry-standard formulas. Get insights into reading level, audience suitability, and suggestions for improvement.

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Understanding Readability Scores

Flesch Reading Ease

Scores text from 0-100 where higher scores indicate easier reading:

ScoreDifficultyAudience
90-100Very Easy5th Grade / Age 10-11
80-89Easy6th Grade / Age 11-12
70-79Fairly Easy7th Grade / Age 12-13
60-69Standard8th-9th Grade / Age 13-15
50-59Fairly Difficult10th-12th Grade / Age 15-18
30-49DifficultUniversity
0-29Very DifficultUniversity Graduate

Grade Level Scores

Flesch-Kincaid, Gunning Fog, SMOG, Coleman-Liau, and ARI all produce grade level scores representing the US school grade needed to understand the text. A score of 8 means 8th grade (age 13-14).

Tips for Improving Readability

  • Use shorter sentences (aim for 15-20 words)
  • Choose simpler words over complex alternatives
  • Break up long paragraphs
  • Use active voice instead of passive
  • Avoid jargon and technical terms when possible

Target Audiences

  • General Public: Grade 7-8
  • Newspapers: Grade 9-10
  • Academic: Grade 12+
  • Legal/Technical: Grade 14+