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Spend concentration calculator

Calculate supplier spend shares and the Herfindahl-Hirschman Index (HHI) for a five-line supplier portfolio.

Calculator

FormulaHHI = Σ (supplier share %)²

Supplier 1

Display name for the supplier.

Supplier 1 spend

Spend on supplier 1.

₹

Supplier 2

Display name for the supplier.

Supplier 2 spend

Spend on supplier 2.

₹

Supplier 3

Display name for the supplier.

Supplier 3 spend

Spend on supplier 3.

₹

Supplier 4

Display name for the supplier.

Supplier 4 spend

Spend on supplier 4.

₹

Supplier 5

Display name for the fifth line or aggregated tail spend.

Supplier 5 spend

Spend on supplier 5 or the aggregated tail.

₹

HHI score —