This new metric, devised by Elsevier, is similar to the Journal Impact Factor. The primary difference is that all publshed material in a journal (including editorials, letters and news items) are counted in the calculation.

Calculating a CiteStore

The CiteScore is calculated by dividing the number of all documents published in a journal during the preceding 3 years (A) by the citations to those documents (B) .

CiteScore Calculation  


  • Inclusion of content such as letters and editorials can dilute the results
  • Suspicion of bias since this metric has been devised by a scholarly publishing company