Herfindahl Index Calculator

Enter Market Share Percent for each company separated by a comma:


How does the Herfindahl Index Calculator work?

Given a market share of a set of companies, this determines the Herfindahl Index and Normalized Herfindahl Index.
This calculator has 1 input.

What 1 formula is used for the Herfindahl Index Calculator?

  1. 1NΣsi2 where i is the market share percentage and N = Number of Companies

For more math formulas, check out our Formula Dossier

What 3 concepts are covered in the Herfindahl Index Calculator?

herfindahl index
a place where buyers and sellers can meet to facilitate the exchange or transaction of goods and services.
a specified amount in or for every hundred. one part in every hundred.

Herfindahl Index Calculator Video