Inflation Calculator
U.S. Inflation Rate, 2015-2018 ($1)
The consumer price index (CPI) in 2015 was 237.017. the Bureau of Labor Statistics uses this CPI value to track inflation on a monthly basis.
According to the Bureau of Labor Statistics consumer price index, the dollar experienced an average inflation rate of 1.64% per year. Prices in 2018 are 5.0% higher than prices in 2015.
In other words, $1 in the year 2015 is equivalent in purchasing power to $1.05 in 2018, a difference of $0.05 over 3 years.
The current inflation rate in 2018 is 1.72%1. If this number holds, $1 today will be equivalent to $1.02 next year.
| Cumulative price change | 5.00% |
| Average inflation rate | 1.64% |
| Price difference ($1 base) | $0.05 |
| CPI in 2015 | 237.017 |
| CPI in 2018 | 248.991 |
How to calculate the inflation rate for $1 since 2015
Start with the inflation rate formula:CPI in 2018 / CPI in 2015 * 2015 USD value = 2018 USD value
Then plug in historical CPI values. The U.S. CPI was 237.017 in the year 2015 and 248.991 in 2018:
248.991 / 237.017 * $1 = $1.05
$1 in 2015 has the same "purchasing power" as $1.05 in 2018.
News headlines from 2015
Politics and news often influence economic performance. Here's what was happening at the time:
- Barack Obama and Raul Castro, hold the first meeting between Cuban and American leaders since the Cuban Revolution.
- The population of India reaches 1 billion (officially). The billionth baby was named Astha Arora.
- Donald Trump announces his intention to join the US presidential campaign.
- China brings an end to its one child policy, 35 years after it was first introduced.
Inflation Data Source
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 2015 | Inflation Calculator.” FinanceRef Inflation Calculator, Alioth Finance, 18 Apr. 2018, http://www.in2013dollars.com/inflation-rate-in-2015.