The producer price index, or PPI, is a group of indexes that calculates and represents the average movement in selling prices from domestic production over time. PPI is a product of the Bureau of Producer price index this month was 196.9, last month, it was 195.2, and last year it was 202.1. We can use this information to calculate a monthly and yearly change in PPI, which will help us see how prices compare with the baseline. The Producer Price Index measures changes in the wholesale prices of finished goods. This information is gleaned from government statistics and provided as information only. We make no guarantees as to the accuracy of the government information. To use the PPI Calculator, enter a cost, valued in your From (Base) year. Select both the From year and the To year for the calculation.