You can use this quick and simple calculator to determine the value of the Herfindahl-Hirschman Index for a provided list of companies in accordance with their market shares.

The Herfindahl-Hirschman Index calculator (HHI calculator) is an easy tool for measuring market concentration and determining its competitiveness.

The Herfindahl-Hirschman Index (HHI) is a commonly accepted measure of market concentration. It is calculated by squaring the market share of each firm competing in a market and then …

The form below provides a convenient worksheet for the calculation of the HHI statistic under various scenarios that are commonly considered during the agencies' merger reviews.

Sep 20, 2025 · The Herfindahl-Hirschman Index (HHI) Calculator is a tool designed to measure market concentration. By determining the sum of the squares of the market shares of all firms …

Calculate the Herfindahl-Hirschman Index (HHI) to measure market concentration and competitiveness. Essential tool for antitrust analysis, merger evaluation, and competitive …

This online calculator calculates the Herfindahl-Hirschman Index (HHI), which is used to estimate the concentration of production in a product market.

HHI Calculator to measure market concentration using the Herfindahl-Hirschman Index. Perfect for business analysts, economists, and students to evaluate industry competition levels with …

Calculate market concentration easily with our free Herfindahl Index Calculator. Understand HHI scores & competition levels instantly.

Calculate the Herfindahl-Hirschman Index (HHI) to measure market concentration and competition levels. Free online tool for economists, regulators, and business analysts.