Journal metric profile

STAR Protocols

Clarivate Journal Citation Reports (JCR)-based Journal Impact Factor, five-year Impact Factor, quartile, category rank, publisher, identifiers and citation profile for the 2025 metric year.

JCR-based Impact Factor 1.300 2025 metric year
5-Year Impact Factor 1.700 Longer citation window
JCR Quartile Q4 Subject-category quartile
JCR Category Rank 77/86 Recorded category rank

STAR Protocols JCR impact factor overview

Automatically generated from the journal record shown on this page.

Page reviewed August 6, 2026

Clarivate JCR impact factor overview

STAR Protocols is listed in this directory with bibliometric information for 2025. It is published by ELSEVIER. The database records a Journal Impact Factor of 1.300, presented as a Clarivate Journal Citation Reports (JCR)-based metric. Its listed JCR Impact Factor quartile is Q4.

Ranking and quartile

The recorded JCR Impact Factor category rank is 77 out of 86 journals in its listed category. A Q4 designation describes the journal’s position within its subject category; it should not be used as a direct measure of the quality of an individual article.

Citation profile

The record contains 4,694 total citations, 704 total articles, 705 citable items. The five-year Impact Factor is 1.700, which is 0.400 points above the listed standard Journal Impact Factor. These values use different citation windows and should be interpreted together rather than as a direct trend. The Journal Impact Factor without journal self-citations is recorded as 1.300. The Journal Citation Indicator is listed as 0.350.

Citation half-life

The cited half-life is recorded as 3 years, describing the median age of articles cited in the reporting year. The citing half-life is 6.6 years, reflecting the median age of references used by the journal’s articles.

Journal identifiers and verification

STAR Protocols is identified in this record by print ISSN 2666-1667 and electronic ISSN 2666-1667. Use the ISSN when checking library catalogues, publisher records, indexing databases, or the official Clarivate Journal Citation Reports entry.

Complete journal information

All values below come directly from the database record.

Journal nameSTAR Protocols
Abbreviated journalSTAR PROTOC
PublisherELSEVIER
Metric year2025
Overall rank11,740
ISSN2666-1667
eISSN2666-1667
Total cites4,694
Total articles704
Citable items705
Cited half-life3 years
Citing half-life6.6 years
JCR-based Journal Impact Factor1.300
5-Year Impact Factor1.700
Impact Factor without journal self-cites1.300
Journal Citation Indicator0.350
JCR Impact Factor quartileQ4
JCR category rank77/86
Database record updated

Frequently asked questions

What is the 2025 JCR-based Journal Impact Factor of STAR Protocols?

The Journal Impact Factor recorded in this directory as a Clarivate Journal Citation Reports (JCR)-based value for STAR Protocols is 1.300 for the 2025 metric year.

What quartile is STAR Protocols?

STAR Protocols is listed in quartile Q4. Quartiles describe a journal’s position within a subject category and should be interpreted within that field.

Who publishes STAR Protocols?

STAR Protocols is listed as being published by ELSEVIER.

Can a JCR Journal Impact Factor be used to judge an individual article?

No. The Journal Impact Factor is a journal-level citation measure reported in Clarivate Journal Citation Reports. It does not measure the quality, reliability or influence of every individual article published by that journal.

Additional records from the same publisher or with a similar listed JCR Impact Factor.