U.S. inflation rate in 2009: -0.36%

Inflation Calculator

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Inflation since 2009 and its effect on dollar value

The consumer price index (CPI) in 2009 was 214.537. It was 215.303 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 1.79% per year. Prices in 2018 are 17.3% higher than prices in 2009.

In other words, \$100 in 2009 is equivalent in purchasing power to \$117.27 in 2018, a difference of \$17.27 over 9 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 17.27% Average inflation rate 1.79% Converted amount (\$100 base) \$117.27 Price difference (\$100 base) \$17.27 CPI in 2009 214.537 CPI in 2018 251.59

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How to calculate the inflation rate for \$100 since 2009

This inflation calculator uses the following inflation rate formula:

CPI in 2018 / CPI in 2009 * 2009 USD value = 2018 USD value

Then plug in historical CPI values. The U.S. CPI was 214.537 in the year 2009 and 251.59 in 2018:

251.59 / 214.537 * \$100 = \$117.27

\$100 in 2009 has the same "purchasing power" or "buying power" as \$117.27 in 2018.

Here are calculations of buying power over time for \$100 in 2009 (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
2009 \$100.00 -0.36%
2010 \$101.64 1.64%
2011 \$104.85 3.16%
2012 \$107.02 2.07%
2013 \$108.59 1.46%
2014 \$110.35 1.62%
2015 \$110.48 0.12%
2016 \$111.87 1.26%
2017 \$114.10 1.99%
2018 \$117.27 2.78%*
* Not final. See inflation summary for latest details.