| Journal Impact Factor (JCI IF) |
1. Standard Journal Impact Factor: One year of citations to two years of articles
Example: For the calculation of 2022 impact factor,
A. Total cites to the articles (published in 2020 and 2021) in 2022.
B. Number of articles published in 2020 and 2021.
Formula: A/B
2. Annual Journal Impact Factor: One year of citations to one year of articles
Example: For the calculation of 2022 impact factor,
A. Total cites to the articles (published in 2021) in 2022.
B. Number of articles published in 2021.
Formula: A/B
3. Five Year Journal Impact Factor: One year of citations to five years of articles
Example: For the calculation of 2022 impact factor,
A. Total cites to the articles (published in 2017-2021) in 2022.
B. Number of articles published in 2017-2021.
Formula: A/B
4. Total Journal Impact Factor: One year of citations to total published articles
Example: For the calculation of 2022 impact factor,
Total cites to the articles (published till 2021) in 2022.
Number of articles published till 2021.
Formula: A/B
