Tool
H-index calculator
Paste the number of citations of each paper, separated by commas, spaces or line breaks. The calculator returns the h-index and the i10-index. Nothing is sent to a server: the calculation runs in your browser.
Detail
How it is calculated
- The citation counts are sorted from highest to lowest.
- The list is read from the top: paper 1, paper 2, paper 3…
- The h-index is the last position at which the number of citations is still equal to or greater than the position number.
- The i10-index is simply the number of papers with 10 or more citations.
Worked example
Seven papers with 25, 18, 12, 9, 6, 4 and 2 citations.
| Position | Citations | Citations ≥ position? |
|---|---|---|
| 1 | 25 | yes |
| 2 | 18 | yes |
| 3 | 12 | yes |
| 4 | 9 | yes |
| 5 | 6 | yes |
| 6 | 4 | no |
h-index = 5. i10-index = 3 (the papers with 25, 18 and 12 citations).
Where to take the citation counts from
The result depends on the database. Scopus, Web of Science and Google Scholar index different sets of publications, so the same researcher has different values in each. State the database and the date whenever you quote an h-index.
Sources
Hirsch, J. E. (2005). An index to quantify an individual's scientific research output. PNAS 102(46):16569–16572doi.orgGoogle Scholar Blog — Google Scholar Citations, 20 July 2011scholar.googleblog.com