Indonesia Inflation Calculator

Buying power of Rp100 in 1961

This chart shows a calculation of buying power equivalence for Rp100 in 1961 (price index tracking began in 1960).

For example, if you started with Rp100, you would need to end with Rp50,831,966.67 in order to "adjust" for inflation (sometimes refered to as "beating inflation").

When Rp100 is equivalent to Rp50,831,966.67 over time, that means that the "real value" of a single Indonesian ruphia decreases over time. In other words, a ruphia will pay for fewer items at the store.

This effect explains how inflation erodes the value of a ruphia over time. By calculating the value in 1961 dollars, the chart below shows how Rp100 is worth less over 60 years.

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

This conversion table shows various other 1961 amounts in today's ruphias, based on the 50,831,866.67% change in prices:

How to Calculate Inflation Rate for Rp100 since 1961

Our calculations use the following inflation rate formula to calculate the change in value between 1961 and today:

Then plug in historical CPI values. The Indonesian CPI was 0.0003157041 in the year 1961 and 160.47860287948984 in 2021:

Rp100 in 1961 has the same "purchasing power" or "buying power" as Rp50,831,966.67 in 2021.

To get the total inflation rate for the 60 years between 1961 and 2021, we use the following formula:

Plugging in the values to this equation, we get:

News headlines from 1961

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

• A dog named Chernushka, frogs, and a guinea pig orbit the Earth in the Soviet flight Sputnik 9.
• Nelson Mandela is acquitted of treason after a four-and-a-half year trial.

Data Source & Citation

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