Buying power of R$100 in 1981

This chart shows a calculation of buying power equivalence for R$100 in 1981 (price index tracking began in 1980).

For example, if you started with R$100, you would need to end with R$24,774,110,683,859.48 in order to "adjust" for inflation (sometimes refered to as "beating inflation").

When R$100 is equivalent to R$24,774,110,683,859.48 over time, that means that the "real value" of a single Brazilian real decreases over time. In other words, a real will pay for fewer items at the store.

This effect explains how inflation erodes the value of a real over time. By calculating the value in 1981 dollars, the chart below shows how R$100 buys less over the past 39 years.

According to the World Bank, each of these BRL amounts below is equal in terms of what it could buy at the time:

How to Calculate Inflation Rate for R$100 since 1981

This inflation calculator uses the following inflation rate formula:

Then plug in historical CPI values. The Brazilian CPI was 7e-10 in the year 1981 and 173.4187747870164 in 2020:

R$100 in 1981 has the same "purchasing power" or "buying power" as R$24,774,110,683,859.48 in 2020.

To get the total inflation rate for the 39 years between 1981 and 2020, we use the following formula:

Plugging in the values to this equation, we get:

News headlines from 1981

Politics and news often influence economic performance. Here's what was happening at the time:

• Ronald Reagan is inaugurated as the President of the United States.
• IBM introduces its first PC - Personal Computer.
• United States Center for Disease Control reports that pneumonia is affecting five homosexual men in Los Angeles, which marks the beginning of the AIDS epidemic.

Data Source & Citation

» Read more about inflation and investment.