Index

Inflation conversion factor tables for 2017 have been revised to reflect final 2017 CPI (2.45120) and estimates of inflation for 2018 through 2028, based on the average of inflation estimates by the Office of Management and Budget (OMB) and the Congressional Budget Office (CBO).  These pages were revised August 14, 2018.

Inflation assumptions:   These are stated on the main conversion factor page.

Conversion factor tables are available as Portable Document Format (pdf) files and also in Excel format, for direct use in conversion.  The tables of conversion factors directly below cover the period 1774 to estimated 2028.

Following are the files of conversion factors for each year.  Only the tables for 2017 and estimated 2018 have been updated in 2018 to reflect final 2017 CPI.  For other years, use the individual-year files below or the file (Excel and pdf) that provides conversion factors for all years, available on the main page.

  •   Conversion Factors in 2017 Dollars for 1774 to estimated 2028     pdf             Excel
  •  Conversion Factors in estimated 2018 Dollars for 1774 to estimated 2028.  Reminder:  These are estimates and will be changed with final data in early 2019.  Suggestion:   use (final) 2017 conversion factors unless 2018 estimates are essential.                                  pdf           Excel
  • Conversion Factors in two special measures of inflation, the CPI-U-X1 and the CPI-U-RS, both in dollars of 2018.  The CPI-U-X1 applies the post-1983 CPI to the entire period starting in 1950, for comparability during that entire period.  By definition, the CPI-U and CPI-U-X1 is the same after 1983.  The CPI-U-RS is “Research Series,” with 1977 = 100, extended to 1947 by the Census Bureau), re-based here to 2017 = 1.000.  Note that unlike other CPI measures, the CPI-U-RS data can be revised each year for earlier years, not just for the most recent year.  For that reason, no estimated CPI-U-RS conversion factors are supplied for any year after 2017. The files contain links to additional sources of information from the Bureau of Labor Statistics, especially concerning the CPI-U-RS.    pdf              Excel
  • Conversion Factors in CPI dollars (1982-84), the CPI base period, for 1774 to estimated 2028, so that 1982-84 average = 1.0.     pdf             Excel

The following have NOT been updated to reflect final 2017 CPI.  The conversion factors for each year have been revised to estimated 2028 in the page available from the main page that shows conversion factors for the entire period 1774 to estimated 2028.

  • Conversion Factors in 2016 Dollars for 1774 to estimated 2027     pdf             Excel 
  • Conversion Factors in 2015 Dollars for 1774 to estimated 2026.     pdf              Excel
  •  Conversion Factors in 2014 Dollars for 1774 to estimated 2025     pdf             Excel
  •  Conversion Factors in 2014 Dollars for 1774 to estimated 2025     pdf             Excel
  •  Conversion Factors in 2013 Dollars for 1774 to estimated 2024     pdf             Excel
  •  Conversion Factors in 2012 Dollars for 1774 to estimated 2024    pdf              Excel
  •  Conversion Factors in 2011 Dollars for 1774 to estimated 2024     pdf              Excel
  • Conversion Factors in 2010 Dollars for 1774 to estimated 2024     pdf              Excel
  • Conversion Factors in 2009 Dollars for 1774 to estimated 2024     pdf              Excel
  •  Conversion Factors in 2008 Dollars for 1774 to estimated 2024    pdf              Excel
  • Conversion Factors in 2007 Dollars for 1774 to estimated 2024    pdf              Excel
  • Conversion Factors in 2006 Dollars for 1774 to estimated 2024    pdf              Excel
  • Conversion Factors in 2005 Dollars for 1774 to estimated 2024    pdf              Excel
  • Conversion Factors in 2004 Dollars for 1774 to estimated 2024    pdf             Excel
  • Conversion Factors in 2003 Dollars for 1774 to estimated 2024    pdf              Excel
  • Conversion Factors in 2002 Dollars for 1774 to estimated 2024    pdf              Exce
  • Conversion Factors in 2001 Dollars for 1774 to estimated 2024    pdf              Excel
  • Conversion Factors in 2000 Dollars for 1774 to estimated 2024    pdf              Excel
  • Conversion Factors in 1999 Dollars for 1774 to estimated 2024   pdf              Excel
  • Conversion Factors in 1998 Dollars for 1774 to estimated 2024    pdf            Excel
  • Conversion Factors in 1997 Dollars for 1774 to estimated 2024   pdf              Excel
  • Conversion Factors in 1996 Dollars for 1774 to estimated 2024    pdf             Excel
  • Conversion Factors in 1995 Dollars for 1774 to estimated 2024    pdf              Excel

 

Original data for the CPI-U-RS are available from the Bureau of Labor Statistics

ReminderConversion factors for years prior to 1913 should be considered to be estimates. In addition, CPI measures have changed over time, so data for the entire period are not precisely comparable. Note that conversion factors that apply the post-1982 CPI to the period 1950 to 1982 are available above as the CPI-U-X1, in 2013 dollars.

From the main Bureau of Labor Statistics CPI page, many data are available, including a complete table of monthly CPI-U data with semi-annual and annual changes from 1913 to the present.