# \$5 in 1940 → \$89.13 in 2018

## Inflation Calculator

\$

### U.S. Inflation Rate, 1940-2018 (\$5)

According to the Bureau of Labor Statistics consumer price index, the dollar experienced an average inflation rate of 3.76% per year. Prices in 2018 are 1682.6% higher than prices in 1940.

In other words, \$5 in the year 1940 is equivalent in purchasing power to \$89.13 in 2018, a difference of \$84.13 over 78 years.

Compared to last year's annual rate, the inflation rate in 2018 is now 1.95%1. If this number holds, \$5 today would be equivalent to \$5.10 next year. The current inflation rate page gives more detail on the latest official inflation rates.

 Cumulative price change 1682.60% Average inflation rate 3.76% Price difference (\$5 base) \$84.13 CPI in 1940 14 CPI in 2018 249.554

#### Inflation rates for specific categories

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### How to calculate the inflation rate for \$5 since 1940

This inflation calculator uses the following inflation rate formula:

CPI in 2018 / CPI in 1940 * 1940 USD value = 2018 USD value

Then plug in historical CPI values. The U.S. CPI was 14 in the year 1940 and 249.554 in 2018:

249.554 / 14 * \$5 = \$89.13

\$5 in 1940 has the same "purchasing power" as \$89.13 in 2018.

### 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: “\$5 in 1940 → 2018 | Inflation Calculator.” U.S. Official Inflation Data, Alioth Finance, 25 May. 2018, https://www.officialdata.org/1940-dollars?amount=5.