28,000+ journals  ·  24 years of data  ·  Free forever

Find the impact factor
of any journal

Impact factors, SJR scores, H-Index, quartile rankings, and historical trends — free for researchers worldwide.

Try: Nature  ·  The Lancet  ·  Cell  ·  Science

31,864
Journals indexed
24
Years of history
3
Metrics per journal
Free
Always

Top journals by impact factor

64.8
Impact Factor
Nature
Springer Nature
Q1Multidisciplinary
168.9
Impact Factor
The Lancet
Elsevier
Q1Medicine
45.5
Impact Factor
Cell
Cell Press
Q1Biology
56.9
Impact Factor
Science
AAAS
Q1Multidisciplinary
158.5
Impact Factor
New England Journal of Medicine
NEJM Group
Q1Medicine
82.9
Impact Factor
Nature Medicine
Springer Nature
Q1Medicine

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