What is a Lexile Text Measure?

http://www.lexile.com/about-lexile/lexile-overview/

Get a Lexile Text Measure

http://www.lexile.com/analyzer/

Okapi - find the reading level and Complexity of Text

http://www.lefthandlogic.com/htmdocs/tools/okapi/okapi.php

Lexile to Grade Coerrespondence

http://www.lexile.com/about-lexile/grade-equivalent/grade-equivalent-chart/

Readability Statistics within Microsoft Word

http://www.lexile.com/fab/

Readability of Websites

http://juicystudio.cpm/services/readability.php#readintro

http://www.readability.info/