English readability calculator

Estimate Flesch Reading Ease and Flesch–Kincaid grade level for English prose.

Text Stateless

Quick guide

Try an example

You enter

English prose
The cat sat.

You get

Reading Ease score
119.2
US grade level
-2.6
Estimated syllables
3
How it works and limits

Scores use an approximate syllable count. Use several complete English sentences for a more informative estimate.