Readability Score
Flesch, Flesch-Kincaid, Gunning Fog, SMOG, ARI, Coleman-Liau — 6 scores + verdicts
Flesch Reading Ease
74.5
Plain English
Flesch-Kincaid Grade
4.2
Easy
Gunning Fog
8.4
Accessible
SMOG Index
8.3
Accessible
Automated Readability
3.5
Easy
Coleman-Liau
6.4
Easy
Aim for Flesch 60–70 and grade level 8–12 for broad readability. Technical docs can go higher; consumer content should be lower.