The current impact factor is an indicator that is commonly used internationally to test the academic level and quality of papers. Authors can judge which journal to submit to based on the impact factor of the journal. Can sci journal impact factor be calculated? How to calculate the impact factor? In this issue, I will share relevant knowledge with you.

SCI journal impact factor calculation method: the sum of the number of citations of the journal in the two years before the publication year ÷ the total number of articles published in the journal in the previous two years. In general, Impact Factor > 1 indicates a high citation rate.

Impact factor score: The score of CI also becomes the IF score, IF = the number of citations in the first two years / the number of articles included in the first two years, sci journals generally include more science and engineering, taking chemistry professional journals as an example, IF is less than 3 is very general, 5 or so is an excellent journal for small majors, 10 or so is a very good journal, and more than 10 is generally a review journal.

The impact factor is the key when choosing a journal, and the size of the journal is positioned according to the size of the impact factor. Generally, journals with an impact factor below 5 are considered ordinary journals in SCI journals, and those with an impact factor of around 5 to 10 are relatively excellent journals. The impact factor of a journal may be iconic in a certain field, but it cannot be limited to a single field. Although the impact factor is a sign that we can identify the journal level, it cannot be generalized. Different fields and different majors have different impact factors.

In addition, it should be noted that we cannot query the impact factor of a SCI paper, we can only query the impact factor of a certain SCI journal. The impact factor value of a journal changes dynamically each year and is related to the total number of papers published in the journal and the number of citations, regardless of the author. Neither individuals nor publishers and journals can control its changes. The decision to submit to a journal can be based on its impact factor. A single paper published in a journal has no impact factor, and the quality of the paper can only be evaluated relative to the number of citations of the paper.

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