The h-index is a measure of the number of publications published (productivity), as well as how often they are cited.
h-index = the number of publications with a citation number greater than or equal to h.
For example, 15 publications cited 15 times or more, is a h-index of 15.
Read more about the h-index, first proposed by J.E. Hirsch, as An index to quantify an individual's scientific research output.
Create a citation report of your publications that will display your h-index in Web of Science.
Provide additional information about your metrics when talking about your h-index.
"My h-index, based on papers indexed in Web of Science, is 10. It has been 5 years since I finished my PhD. I have 4 papers (A, B, C, D) with more than 20 citations and 1 paper (E) with 29 citations (Web of Science, 05/08/19). I also have an additional 3 papers not indexed by WoS, with 29 citations based on Scopus data (01/12/19)"