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How to Check Journal Impact Factor

Complete guide to using an impact factor checker and understanding journal metrics

Popular Journal Searches

PLOS Biology impact factorScience Advances impact factoriScience impact factorIEEE Access impact factorJAMA Network Open impact factorBrowse journal rankings by field

What You'll Find

2026 Impact Factor scores
JCR Quartile rankings (Q1-Q4)
CAS Block classifications
ISSN numbers
Journal rankings and metrics

Exact-title lookup examples

These examples show how exact journal pages connect impact factor, quartile, ISSN, and related context in one place.

Nature Microbiology impact factor2026 Impact Factor 18.7 · JCR Q1Gastroenterology impact factor2026 Impact Factor 29.7 · JCR Q1Biochimie impact factor2026 Impact Factor 3.4 · JCR Q3Neurology journal impact factor2026 Impact Factor 8.9 · JCR Q1Impact factor 2025 lookup checklistVerify the newest score, JCR quartile, ISSNs, and title match before comparing journals.JCR impact factorConnect the short JCR query to the methodology page instead of relying on a thin keyword-only page.

Before you trust a journal metric result

Search results can mix publisher pages, database snippets, old year labels, and similarly named journals. For exact title searches, open the journal record first, then confirm the 2026 Impact Factor, JCR quartile, ISSNs, and field context before making a submission decision.

Released June 17, 2026 · Based on 2025 citation data

Engineering Structures journal2026 Impact Factor 7.6 · JCR Q1Microorganisms impact factor2026 Impact Factor 4.7 · JCR Q2Journal of Network and Computer Applications2026 Impact Factor 7.7 · JCR Q1International Journal of Biological Macromolecules quartile2026 Impact Factor 8.7 · JCR Q1

How to Search

1

Enter Journal Name

Type the journal name or partial name in the search box

2

View Results

Browse through matching journals with their metrics

3

Find Impact Factor

Check the 2026 Impact Factor and JCR quartile

Understanding Journal Metrics

Impact Factor

The Impact Factor measures the yearly average number of citations to recent articles published in a journal. Higher impact factors generally indicate more influential journals.

Example: An impact factor of 3.5 means articles published in the journal receive an average of 3.5 citations per year.

JCR Quartiles

JCR Quartiles rank journals within their subject categories:

Q1
Top 25%
Q2
25-50%
Q3
50-75%
Q4
Bottom 25%

CAS Blocks

CAS (Chinese Academy of Sciences) blocks classify journals into different tiers based on their quality and influence in the Chinese academic system.

Search Tips

  • •Use partial journal names for broader results (e.g., "nature" instead of "Nature Communications")
  • •Search is case-insensitive and supports fuzzy matching
  • •Try different variations if you don't find your journal immediately
  • •Results show the newest impact factor, released June 17, 2026 and based on 2025 citation data.

Learn More

Understanding Impact Factor Calculations

Want to understand how journal impact factors are calculated? Read our comprehensive guide.

How Journal Impact Factors Are Calculated →
Start Searching Journal Impact Factors