Inflation Calculator: Money’s Real Worth Over Time

This inflation calculator uses the Consumer Price Index (CPI) to measure the purchasing power of the U.S. dollar over time. It provides money comparisons from the past to present or any time between.

Consumer inflation in the United States rose 5.4% over the 12 months ended September against 5.3% previously, according to the Labor Department’s CPI report released Oct. 13, 2021. Inflation data also shows consumer prices rose 0.4% in September after rising 0.3% in August.

How to use inflation calculator: You can start with any date from 1913 to 2021. The first date field can also begin in the present, like 2021, and then move backwards — each method is interesting. The inflation calculator starts with default values just to give a quick glimpse into how it works. Simply clear or edit the numbers with your own.