Indonesia Inflation Calculator

Rp

Result:Rp100 in 2001 → Rp366.25 in 2026

The Indonesian Ruphia has lost 73% its value since 2001

Updated: May 12, 2026

Rp100 in 2001 is equivalent in purchasing power to about Rp366.25 today, an increase of Rp266.25 over 25 years. The ruphia had an average inflation rate of 5.33% per year between 2001 and today, producing a cumulative price increase of 266.25%.

This means that today's prices are 3.66 times as high as average prices since 2001, according to the OECD and the World Bank consumer price index for Indonesia. A ruphia today only buys 27.304% of what it could buy back then.

The inflation rate in 2001 was 11.50%. The current inflation rate compared to the end of last year is now 2.42%. If this number holds, Rp100 today will be equivalent in buying power to Rp102.42 next year.

⌃
Inflation from 2001 to 2026
Cumulative price change 266.25%
Average inflation rate 5.33%
Converted amount
Rp100 base		 Rp366.25
Price difference
Rp100 base		 Rp266.25
CPI in 2001 37.096
CPI in 2026 135.862
Inflation in 2001 11.50%
Inflation in 2026 2.42%
Rp100 in 2001 Rp366.25 in 2026
IDR inflation since 2001
Annual Rate, the OECD and the World Bank CPI
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Buying power of Rp100 in 2001

This chart shows a calculation of buying power equivalence for Rp100 in 2001 (price index tracking began in 1959).

For example, if you started with Rp100, you would need to end with Rp366.25 in order to "adjust" for inflation (sometimes refered to as "beating inflation").

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When Rp100 is equivalent to Rp366.25 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 2001 dollars, the chart below shows how Rp100 is worth less over 25 years.

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

Ruphia inflation: 2001-2026
YearRuphia ValueInflation Rate
2001Rp100.0011.50%
2002Rp111.9011.90%
2003Rp119.466.76%
2004Rp126.716.06%
2005Rp139.9510.45%
2006Rp158.3013.11%
2007Rp168.446.41%
2008Rp185.6610.23%
2009Rp193.814.39%
2010Rp203.765.13%
2011Rp214.675.36%
2012Rp223.864.28%
2013Rp238.216.41%
2014Rp253.456.39%
2015Rp269.576.36%
2016Rp279.083.53%
2017Rp289.713.81%
2018Rp298.973.20%
2019Rp308.033.03%
2020Rp313.951.92%
2021Rp318.851.56%
2022Rp332.274.21%
2023Rp344.463.67%
2024Rp351.972.18%
2025Rp358.711.91%
2026Rp366.252.10%*
* Compared to previous annual rate. Not final. See inflation summary for latest 12-month trailing value.
Click to show 19 more rows

This conversion table shows various other 2001 amounts in today's ruphias, based on the 266.25% change in prices:

Conversion: 2001 ruphias today
Initial valueEquivalent value
Rp1 ruphia in 2001 Rp3.66 ruphias today
Rp5 ruphias in 2001 Rp18.31 ruphias today
Rp10 ruphias in 2001 Rp36.62 ruphias today
Rp50 ruphias in 2001 Rp183.12 ruphias today
Rp100 ruphias in 2001 Rp366.25 ruphias today
Rp500 ruphias in 2001 Rp1,831.24 ruphias today
Rp1,000 ruphias in 2001 Rp3,662.47 ruphias today
Rp5,000 ruphias in 2001 Rp18,312.36 ruphias today
Rp10,000 ruphias in 2001 Rp36,624.72 ruphias today
Rp50,000 ruphias in 2001 Rp183,123.58 ruphias today
Rp100,000 ruphias in 2001 Rp366,247.16 ruphias today
Rp500,000 ruphias in 2001 Rp1,831,235.78 ruphias today
Rp1,000,000 ruphias in 2001 Rp3,662,471.57 ruphias today

How to calculate inflation rate for Rp100 since 2001

Our calculations use the following inflation rate formula to calculate the change in value between 2001 and today:

CPI todayCPI in 2001
×
2001 IDR value
=
Today's value

Then plug in historical CPI values. The Indonesian CPI was 37.09566 in the year 2001 and 135.8618 in 2026:

135.861837.09566
×
Rp100
=
Rp366.25

Rp100 in 2001 has the same "purchasing power" or "buying power" as Rp366.25 in 2026.

To get the total inflation rate for the 25 years between 2001 and 2026, we use the following formula:

CPI in 2026 - CPI in 2001CPI in 2001
×
100
=
Cumulative inflation rate (25 years)

Plugging in the values to this equation, we get:

135.8618 - 37.0956637.09566
×
100
=
266%

Data source & citation

You may use the following MLA citation for this page: “Value of 2001 Indonesian Ruphias today | Indonesia Inflation Calculator.” Official Inflation Data, Alioth Finance, 17 May. 2026, https://www.officialdata.org/indonesia/inflation/2001.

Special thanks to QuickChart for their chart image API, which is used for chart downloads.

Ian Webster

About the author

Ian Webster is an engineer and data expert based in San Mateo, California. He has worked for Google, NASA, and consulted for governments around the world on data pipelines and data analysis. Disappointed by the lack of clear resources on the impacts of inflation on economic indicators, Ian believes this website serves as a valuable public tool. Ian earned his degree in Computer Science from Dartmouth College.

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Inflation from 2001 to 2026
Cumulative price change 266.25%
Average inflation rate 5.33%
Converted amount
Rp100 base		 Rp366.25
Price difference
Rp100 base		 Rp266.25
CPI in 2001 37.096
CPI in 2026 135.862
Inflation in 2001 11.50%
Inflation in 2026 2.42%
Rp100 in 2001 Rp366.25 in 2026