$100 in 1915 → $2,490.99 in 2018

Inflation Calculator

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U.S. Inflation Rate, $100 in 1915 to 2018

According to the Bureau of Labor Statistics consumer price index, the dollar experienced an average inflation rate of 3.17% per year. Prices in 2018 are 2391.0% higher than prices in 1915.

In other words, $100 in 1915 is equivalent in purchasing power to $2,490.99 in 2018, a difference of $2,390.99 over 103 years.

The current inflation rate is now 2.80%1. If this number holds, $100 today will be equivalent to $102.80 next year. The current inflation rate page gives more detail on the latest official inflation rates.

Inflation from 1915 to 2018
Cumulative price change 2390.99%
Average inflation rate 3.17%
Converted amount ($100 base) $2,490.99
Price difference ($100 base) $2,390.99
CPI in 1915 10.1
CPI in 2018 251.59


U.S. inflation from 1913 to 2018


Inflation rates for specific categories

Food · Rent of primary residence · Film and photographic supplies · More

Inflation-adjusted measures

S&P 500 price · S&P 500 earnings · Shiller P/E

How to calculate the inflation rate for $100 since 1915

This inflation calculator uses the following inflation rate formula:

CPI in 2018 / CPI in 1915 * 1915 USD value = 2018 USD value

Then plug in historical CPI values. The U.S. CPI was 10.1 in the year 1915 and 251.59 in 2018:

251.59 / 10.1 * $100 = $2,490.99

$100 in 1915 has the same "purchasing power" or "buying power" as $2,490.99 in 2018.


Here are calculations of buying power over time for $100 in 1915 (price index tracking began in 1913). Each of these USD amounts below is equivalent in terms of what it could buy at the time:
Year USD Value Inflation Rate
1915 $100.00 1.00%
1916 $107.92 7.92%
1917 $126.73 17.43%
1918 $149.50 17.97%
1919 $171.29 14.57%
1920 $198.02 15.61%
1921 $177.23 -10.50%
1922 $166.34 -6.15%
1923 $169.31 1.79%
1924 $169.31 0.00%
1925 $173.27 2.34%
1926 $175.25 1.14%
1927 $172.28 -1.69%
1928 $169.31 -1.72%
1929 $169.31 0.00%
1930 $165.35 -2.34%
1931 $150.50 -8.98%
1932 $135.64 -9.87%
1933 $128.71 -5.11%
1934 $132.67 3.08%
1935 $135.64 2.24%
1936 $137.62 1.46%
1937 $142.57 3.60%
1938 $139.60 -2.08%
1939 $137.62 -1.42%
1940 $138.61 0.72%
1941 $145.54 5.00%
1942 $161.39 10.88%
1943 $171.29 6.13%
1944 $174.26 1.73%
1945 $178.22 2.27%
1946 $193.07 8.33%
1947 $220.79 14.36%
1948 $238.61 8.07%
1949 $235.64 -1.24%
1950 $238.61 1.26%
1951 $257.43 7.88%
1952 $262.38 1.92%
1953 $264.36 0.75%
1954 $266.34 0.75%
1955 $265.35 -0.37%
1956 $269.31 1.49%
1957 $278.22 3.31%
1958 $286.14 2.85%
1959 $288.12 0.69%
1960 $293.07 1.72%
1961 $296.04 1.01%
1962 $299.01 1.00%
1963 $302.97 1.32%
1964 $306.93 1.31%
1965 $311.88 1.61%
1966 $320.79 2.86%
1967 $330.69 3.09%
1968 $344.55 4.19%
1969 $363.37 5.46%
1970 $384.16 5.72%
1971 $400.99 4.38%
1972 $413.86 3.21%
1973 $439.60 6.22%
1974 $488.12 11.04%
1975 $532.67 9.13%
1976 $563.37 5.76%
1977 $600.00 6.50%
1978 $645.54 7.59%
1979 $718.81 11.35%
1980 $815.84 13.50%
1981 $900.00 10.32%
1982 $955.45 6.16%
1983 $986.14 3.21%
1984 $1,028.71 4.32%
1985 $1,065.35 3.56%
1986 $1,085.15 1.86%
1987 $1,124.75 3.65%
1988 $1,171.29 4.14%
1989 $1,227.72 4.82%
1990 $1,294.06 5.40%
1991 $1,348.51 4.21%
1992 $1,389.11 3.01%
1993 $1,430.69 2.99%
1994 $1,467.33 2.56%
1995 $1,508.91 2.83%
1996 $1,553.47 2.95%
1997 $1,589.11 2.29%
1998 $1,613.86 1.56%
1999 $1,649.50 2.21%
2000 $1,704.95 3.36%
2001 $1,753.47 2.85%
2002 $1,781.19 1.58%
2003 $1,821.78 2.28%
2004 $1,870.30 2.66%
2005 $1,933.66 3.39%
2006 $1,996.04 3.23%
2007 $2,052.89 2.85%
2008 $2,131.71 3.84%
2009 $2,124.13 -0.36%
2010 $2,158.97 1.64%
2011 $2,227.12 3.16%
2012 $2,273.21 2.07%
2013 $2,306.50 1.46%
2014 $2,343.92 1.62%
2015 $2,346.70 0.12%
2016 $2,376.31 1.26%
2017 $2,423.62 1.99%
2018 $2,490.99 2.78%*
* Not final. See inflation summary for latest details.

News headlines from 1915

Politics and news often influence economic performance. Here's what was happening at the time:

  • French troops force Germans back into the Champagne region, suffering losses of 50,000 men and gaining several hundred yards.
  • Germany uses poison gas for the first time in World War I.
  • Almost 430,000 French, British, and Germans are killed in the Battle of Loos.
  • The one-millionth Model T is produced by Ford Motor Company.

Inflation Data Source

Raw data for these calculations comes from the Bureau of Labor Statistics' (CPI), established in 1913. Inflation data from 1665 to 1912 is sourced from a historical study conducted by political science professor Robert Sahr at Oregon State University.

You may use the following MLA citation for this page: “$100 in 1915 → 2018 | Inflation Calculator.” U.S. Official Inflation Data, Alioth Finance, 13 Jun. 2018, https://www.officialdata.org/1915-dollars-in-2018?amount=100.


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