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 held at 3.4% over the 12 months ending in August, unchanged from July, according to a Labor Department report released Sept. 11, 2026.
How to use inflation calculator: You can start with any date from 1913 to 2026. The first date field can also begin in the present, like 2026, 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.
