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HHI (Market Concentration)

Calculate HHI (Market Concentration) instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.

HHI (Market Concentration)

Share 1%
Share 2%
Share 3%
Share 4%
HHI
1,850
Calculate HHI (Market Concentration) instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.

More about: HHI (Market Concentration)

What it calculates

The “HHI (Market Concentration)” calculator computes HHI from 4 parameters: share 1 (%), share 2 (%), share 3 (%), share 4 (%).

Applied in business management, unit economics, and financial modeling.

Example calculation

With parameters Share 1 = 30 %, Share 2 = 25 %, Share 3 = 15 %, Share 4 = 10 % the result is 1,850.

How to use

  1. Enter the parameter values — every field above is adjustable with a slider.
  2. The result and related metrics are calculated automatically as you type.
  3. Use the additional metrics shown (if any) where needed.
  4. Copy the result or bookmark the page.

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