The consumer price index (CPI) in 2011 was 224.939. It was 218.056 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 1.61% per year. Prices in 2018 are 11.9% higher than prices in 2011.
In other words, $100 in 2011 is equivalent in purchasing power to $111.85 in 2018, a difference of $11.85 over 7 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||11.85%|
|Average inflation rate||1.61%|
|Converted amount ($100 base)||$111.85|
|Price difference ($100 base)||$11.85|
|CPI in 2011||224.939|
|CPI in 2018||251.59|
The above data describe the CPI for all items. Also of note is U.S. "Core Inflation," which measures the CPI for all items except for the more volatile categories of food and energy. Core inflation averaged 1.87% per year between 2011 and 2018. In 2011, core inflation was 1.66%.
This inflation calculator uses the following inflation rate formula:
CPI in 2018 / CPI in 2011 * 2011 USD value = 2018 USD value
Then plug in historical CPI values. The U.S. CPI was 224.939 in the year 2011 and 251.59 in 2018:
251.59 / 224.939 * $100 = $111.85
$100 in 2011 has the same "purchasing power" or "buying power" as $111.85 in 2018.
Below are calculations of buying power over time for $100 in 2011 (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|
Politics and news often influence economic performance. Here's what was happening at the time:
Raw data for these calculations comes from the Bureau of Labor Statistics' Consumer Price Index (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 2011 | Inflation Calculator.” U.S. Official Inflation Data, Alioth Finance, 23 Jun. 2018, https://www.officialdata.org/inflation-rate-in-2011.