Glossary

    Flesch Score

    The Flesch reading ease score: a 0–100 readability metric based on sentence length and syllable count.

    Definition

    Flesch reading ease, developed by Rudolf Flesch, scores text from 0 (very difficult) to 100 (very easy) using average sentence length and average syllables per word. Higher scores mean easier reading.

    Examples

    • Reader's Digest: ~65
    • Time magazine: ~52
    • Harvard Law Review: ~30

    Use cases

    • Comparing reading difficulty across drafts
    • Hitting plain-language standards
    • Adapting content for non-native readers

    Related concepts

    Related Textorum.io tools

    FAQ

    How is the Flesch score calculated?

    206.835 − (1.015 × average sentence length) − (84.6 × average syllables per word).