Writing Clarity Index Calculator
Beta: Try the new clarity
Enter 180-200 words from an e-mail or report into this box, and click the button to see how clear you are being. If using an e-mail, ignore hello and goodbye lines (e.g. "Hi Christina," and "Bye for now, Britney")
Note: A more advanced version of this tool is available here.
About This Tool
The Clarity Index is a tool that was developed by the
US Army to encourage personnel to be more clear with
the business/academic world, the Clarity Index is an amazingly simple way of checking if you are making things
complicated, or if you are being too abrupt.
does this by using a combination of the average words
per sentence (aim for 15) and the percentage of
your total text that are "long words" (aim
The actual calculation is a bit complicated - and can take more than a minute to perform if you do it manually. This tool takes just seconds.
a chunk of text - e.g. part of an e-mail or a report,
between 180-200 words - and you will see the Clarity
Index. Aim for 20-40, with 30 being ideal.