Reading Level Checker
Calculate the Flesch-Kincaid grade level of any text. Know if your content is accessible to your target audience.
The Flesch-Kincaid formula measures average sentence length and syllables per word. Most web content targets Grade 6–8 for broad accessibility.
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Grade Level Reference
< 1
Kindergarten
5–6 year olds
1–2
Early Elementary
6–8 year olds
3–5
Elementary
8–11 year olds
6–8
Middle School
General public
9–12
High School
Educated readers
13+
College
Academic/professional
Flesch-Kincaid Formula
Uses the industry-standard Flesch-Kincaid Grade Level formula, the same one used by publishers, educators, and readability researchers.
Target Your Audience
Know if your blog post, article, or web copy is written at the right level for your audience — from casual readers to academics.
Detailed Statistics
See words, sentences, syllables, average sentence length, and syllables per word for a complete readability picture.
Frequently Asked Questions
What is the Flesch-Kincaid grade level?
The Flesch-Kincaid Grade Level is a readability formula that estimates the US school grade level needed to understand a piece of text. It considers average sentence length and average number of syllables per word. A grade level of 8 means an 8th grader should be able to read the text.
What reading level should a blog post be?
Most successful blog posts and web content target a Grade 6–8 reading level. This makes content accessible to the widest audience. Academic papers may target Grade 12+, while children's content targets Grade 1–5.
How much text do I need for an accurate result?
For an accurate Flesch-Kincaid reading level, use at least 3–5 complete sentences. Very short texts may give inaccurate results because the formula averages across all sentences.
Is the reading level checker free?
Yes, 100% free with no login or signup required. Use it as many times as you want.
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