how do you calculate impact factor of a journal

How do I find the impact factor and rank for a journal?

 

Answer: 

Use the Journal Citation Reports (JCR) to locate impact factors. The impact factor is a measure of the frequency with which the average article in a journal has been cited in a particular year. The JCR also lists journals and their impact factors and ranking in the context of their specific field(s).

 

Working on promotion and tenure documents? Need Times Cited information as well?

 

You can also first search for an article in Web of Science using the citation's bibliographic information, then link to the impact factor and rank for the article's journal. Start with the steps under Alternative Method below.

 

Step by Step: 

On the Library's Home page, click on the Journal Citations Report link under Databases.

In Journal Citation Reports, choose the "Search for a specific journal" option from the main JCR search page and click Submit.

Enter the journal title and click Search.

You will be taken to the Journal Summary List for that journal.

The impact factor for the most recent year available will be listed in the table of information.

 

 

To get to the journal ranking, click on the Abbreviated Journal Title in the table.

From this page, click the Journal Rank in Categories button to view the journal rank in its respective category/categories.

 

 

On the Rank in Categories page, note the journal rank. A journal title may be ranked in more than one category, depending on the content of the journal. In this example, the journal Annals of Thoracic Surgery belongs to three categories, with a rank in each category.

 

Alternative Method - Start with Times Cited

 

You can start with a journal citation and use Web of Knowledge/Web of Science to first get the Times Cited information, then link to the journal for the impact factor and rank.

Choose Web of Science from the Library home page from the list of Databases.

On the Basic Search screen,enter the author's name in the box, last name, then initial or initials.  Choose Author from the drop-down menu.  Click on the Search button.  NOTE:  you may have to experiment with what format retrieves the best results: two initials, one initial, or one initial plus the asterisk (wild card).

 

 

 

From the Results list, click on the title of the citation of interest.

You will now be viewing the citation. See the Times Cited information on the right, under "Citation Network".

Scroll down the record, and at the very bottom under Journal Information, you will see the link impact Factor: Journal Citation Reports.  Click on this link.

You will now be taken to Journal Citation Reports.  You will be on the Impact Factor Trend Graph page (see below). The impact factor is listed on this page (both on the graph and in the listing below):

 

hdi graph

Now to get the rank information, click the Return to Journal button at the top of the page:

 

 

From the Journal page, click the Journal Ranking button in the center of the page:

 

 

On the note the journal rank. A journal title may be ranked in more than one category, depending on the content of the journal. In this example, the journal Annals of Thoracic Surgery belongs to three categories, with a rank in each category.

 

 

Help: 

For additional information about searching for Times Cited, see How Do I Find Out Times Cited for an Article? For more assistance, email This email address is being protected from spambots. You need JavaScript enabled to view it. or request a consultation.

 

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