# Journal Metrics

> Journal Metrics is a journal impact factor search and comparison site covering 22,643 journals across 254 categories. It shows the newest impact factor, released June 17, 2026 and based on 2025 citation data, alongside JCR quartile, CAS block, ISSN, publisher context, and related journal links.

## Core Routes

- [Journal impact factor search](https://www.journalmetrics.org/): Search 22,643 journal records across 254 categories by journal title, abbreviation, or ISSN.
- [Journal Explorer](https://www.journalmetrics.org/journal-explorer): Browse journals by research field and compare impact factor or JCR quartile.
- [Q1 medicine journals](https://www.journalmetrics.org/journal-explorer/medicine/q1): Focused page for top-quartile medicine journals.
- [Q1 engineering journals](https://www.journalmetrics.org/journal-explorer/engineering/q1): Focused page for top-quartile engineering journals.
- [Journals by country](https://www.journalmetrics.org/journal-countries): Browse country and region lists when publisher location matters.
- [Academic publishing blog](https://www.journalmetrics.org/blog): Guides for impact factors, JCR quartiles, indexing checks, and journal selection.

## Important Guides

- [How to check journal impact factor](https://www.journalmetrics.org/how-to-use)
- [Impact Factor 2025 lookup checklist](https://www.journalmetrics.org/blog/impact-factor-2025-lookup-checklist)
- [JCR ranking 2025 and journal quartile finder workflow](https://www.journalmetrics.org/blog/jcr-ranking-2025-journal-quartile-finder-workflow)
- [Understanding JCR quartiles](https://www.journalmetrics.org/blog/understanding-jcr-quartiles)
- [How to verify journal indexing](https://www.journalmetrics.org/blog/how-to-verify-journal-indexing)
- [What is a good impact factor?](https://www.journalmetrics.org/what-is-a-good-impact-factor)

## Representative Journal Records

- [Nature impact factor](https://www.journalmetrics.org/journal/nature)
- [Science impact factor](https://www.journalmetrics.org/journal/science)
- [JAMA impact factor](https://www.journalmetrics.org/journal/jama-journal-of-the-american-medical-association)
- [JAMA Network Open impact factor](https://www.journalmetrics.org/journal/jama-network-open)
- [IEEE Access impact factor](https://www.journalmetrics.org/journal/ieee-access)
- [Applied and Environmental Microbiology impact factor](https://www.journalmetrics.org/journal/applied-and-environmental-microbiology)

## Data and Trust Notes

- Dataset focus: The newest impact factors, released June 17, 2026 and based on 2025 citation data, with JCR quartile, CAS block, ISSN, publisher, open access, APC, article-volume, and topic context when available.
- Use exact journal title and ISSN checks before comparing metrics from snippets, exports, or similarly named journals.
- Journal Metrics is an independent tool and does not claim affiliation with Clarivate, Web of Science, Journal Citation Reports, Bioxbio, or WOS Journal Info.
- See [Methodology](https://www.journalmetrics.org/methodology), [Editorial Policy](https://www.journalmetrics.org/editorial-policy), and [Disclaimer](https://www.journalmetrics.org/disclaimer) for data-use limits and correction policy.