Wholesale Price Index (WPI)

Definition

Wholesale Price Index (WPI) measures the change in the general price level of goods traded in bulk at the wholesale level over time. It reflects price movements of primary articles, fuel & power, and manufactured products.

Formula

WPI = ( Value of Wholesale Basket in Current Period ÷ Value of Wholesale Basket in Base Period ) × 100

WPI is a weighted index, where weights are assigned based on the relative importance of commodity groups.

Calculator (Simplified – Single Basket)