Consumer Price Index All Urban Consumers--1980 to present
For a printable list or a web site go to:
U.S. Department Of Labor, Bureau of Labor Statistics
Consumer Price Index - All Urban Consumers (CPI-U) U.S. city average, 1913-present
Bureau of Labor Statistics Data
Inflation Conversion Factors Consumer Price Index (CPI)
This resource from Oregon State University gives conversion factors for converting a given year's dollars back to 1800. In addition, it has graphs showing historical price level trends for government spending, debt and deficits, election costs, minimum wages, congressional pay, and various other items of interest.