# \$20 in 1915 → \$494.17 in 2018

## Inflation Calculator

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### U.S. Inflation Rate, 1915-2018 (\$20)

According to the Bureau of Labor Statistics consumer price index, the dollar experienced an average inflation rate of 3.16% per year. Prices in 2018 are 2370.8% higher than prices in 1915.

In other words, \$20 in the year 1915 is equivalent in purchasing power to \$494.17 in 2018, a difference of \$474.17 over 103 years.

Compared to last year's annual rate, the inflation rate in 2018 is now 1.95%1. If this number holds, \$20 today would be equivalent to \$20.39 next year. The current inflation rate page gives more detail on the latest official inflation rates.

 Cumulative price change 2370.85% Average inflation rate 3.16% Price difference (\$20 base) \$474.17 CPI in 1915 10.1 CPI in 2018 249.554

#### Inflation rates for specific categories

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S&P 500 price · S&P 500 earnings · Shiller P/E

### How to calculate the inflation rate for \$20 since 1915

This inflation calculator uses the following inflation rate formula:

CPI in 2018 / CPI in 1915 * 1915 USD value = 2018 USD value

Then plug in historical CPI values. The U.S. CPI was 10.1 in the year 1915 and 249.554 in 2018:

249.554 / 10.1 * \$20 = \$494.17

\$20 in 1915 has the same "purchasing power" as \$494.17 in 2018.