# U.S. inflation rate in 1975: 9.13%

## Inflation Calculator

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### Inflation since 1975 and its effect on dollar value

The consumer price index (CPI) in 1975 was 53.8. It was 49.3 in the previous year. This change in CPI is used by the Bureau of Labor Statistics to calculate inflation.

According to the Bureau of Labor Statistics consumer price index, the dollar experienced an average inflation rate of 3.65% per year. Prices in 2018 are 367.6% higher than prices in 1975.

In other words, \$100 in 1975 is equivalent in purchasing power to \$467.64 in 2018, a difference of \$367.64 over 43 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.

 Cumulative price change 367.64% Average inflation rate 3.65% Converted amount (\$100 base) \$467.64 Price difference (\$100 base) \$367.64 CPI in 1975 53.8 CPI in 2018 251.59

#### Inflation rates for specific categories

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### How to calculate the inflation rate for \$100 since 1975

This inflation calculator uses the following inflation rate formula:

CPI in 2018 / CPI in 1975 * 1975 USD value = 2018 USD value

Then plug in historical CPI values. The U.S. CPI was 53.8 in the year 1975 and 251.59 in 2018:

251.59 / 53.8 * \$100 = \$467.64

\$100 in 1975 has the same "purchasing power" or "buying power" as \$467.64 in 2018.

Here are calculations of buying power over time for \$100 in 1975 (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
1975 \$100.00 9.13%
1976 \$105.76 5.76%
1977 \$112.64 6.50%
1978 \$121.19 7.59%
1979 \$134.94 11.35%
1980 \$153.16 13.50%
1981 \$168.96 10.32%
1982 \$179.37 6.16%
1983 \$185.13 3.21%
1984 \$193.12 4.32%
1985 \$200.00 3.56%
1986 \$203.72 1.86%
1987 \$211.15 3.65%
1988 \$219.89 4.14%
1989 \$230.48 4.82%
1990 \$242.94 5.40%
1991 \$253.16 4.21%
1992 \$260.78 3.01%
1993 \$268.59 2.99%
1994 \$275.46 2.56%
1995 \$283.27 2.83%
1996 \$291.64 2.95%
1997 \$298.33 2.29%
1998 \$302.97 1.56%
1999 \$309.67 2.21%
2000 \$320.07 3.36%
2001 \$329.18 2.85%
2002 \$334.39 1.58%
2003 \$342.01 2.28%
2004 \$351.12 2.66%
2005 \$363.01 3.39%
2006 \$374.72 3.23%
2007 \$385.39 2.85%
2008 \$400.19 3.84%
2009 \$398.77 -0.36%
2010 \$405.31 1.64%
2011 \$418.10 3.16%
2012 \$426.75 2.07%
2013 \$433.01 1.46%
2014 \$440.03 1.62%
2015 \$440.55 0.12%
2016 \$446.11 1.26%
2017 \$454.99 1.99%
2018 \$467.64 2.78%*
* Not final. See inflation summary for latest details.

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

• Margaret Thatcher becomes leader of the British Conservative Party, after defeating Edward Heath.
• Ethiopia abrogates its 3,000-year-old monarchy.
• Bill Gates and Paul Allen found Microsoft.
• The US signals the beginning of the end of its involvement Vietnam, after it begins to evacuate its citizens from Saigon.
• Gough Whitlam is removed by Governor General Sir John Kerr: the first time an elected Prime Minister had been deposed in 200 years (Australia).

### 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: “Inflation Rate in 1975 | Inflation Calculator.” U.S. Official Inflation Data, Alioth Finance, 21 Jun. 2018, https://www.officialdata.org/inflation-rate-in-1975.