Rp

Value of 1979 Indonesian Ruphias today

Rp100 in 1979
Rp3,455.71 in 2022

The inflation rate in Indonesia between 1979 and today has been 3,355.71%, which translates into a total increase of Rp3,355.71. This means that 100 ruphias in 1979 are equivalent to 3,455.71 ruphias in 2022. In other words, the purchasing power of Rp100 in 1979 equals Rp3,455.71 today. The average annual inflation rate between these periods has been 8.59%.

Inflation timeline in Indonesia (1979 - 2022)

The following chart depicts the equivalence of Rp100 due to compound inflation and CPI changes. All values are equivalent in terms of purchasing power, which means that for each year the same goods or services could be bought with the indicated amount of money.

All calculations are performed in the local currency (IDR) and using 6 decimal digits. Results show only up to 2 decimal digits to favour readability. Inflation data is provided by governments and international institutions on a monthly basis. Today's values were extrapolated from the latest 12-month rolling average official data.

The following table contains relevant indicators:

Indicator Value
Cumulative inflation 1979-2021 3,225.39%
Cumulative inflation 1979-today 3,355.71%
Avg. Annual inflation 1979-2021 8.7%
CPI 1979 3.56
CPI 2021 118.28
CPI 2022-05 (latest official data) 122.58
CPI today 122.91

How to calculate today's value of money after inflation?

There are several ways to calculate the time value of money. Depending on the data available, results can be obtained by using the Consumer Price Index (CPI) formula or the compound interest formula.

Using the CPI formula

When we have both the start and end years, we can use the following formula:

Valuet =Value0 ×
CPIt/CPI0

To obtain the values equivalent in buying power between 1979 and 2021, use the corresponding CPI values:

Value2021
=Value1979 ×
CPI2021/CPI1979
=Rp 100 ×
118.28/3.56
Rp3,325.39

To obtain the equivalent value today (present value), plug in the CPI for today, which is estimated as 122.91:

Valuetoday
=Value1979 ×
CPItoday/CPI1979
=Rp 100 ×
122.91/3.56
Rp3,455.71

Alternative: Using the compound interest formula

Given that money changes with time as a result of an inflation rate that acts as compound interest, we can use the following formula: FV = PV × (1 + i)n, where:

  • FV: Future Value
  • PV: Present Value
  • i: Interest rate (inflation)
  • n: Number of times the interest is compounded (i.e. # of years)

In this case, the future value represents the final amount obtained after applying the inflation rate to our initial value. In other words, it indicates how much are Rp100 worth today. There are 42 years between 1979 and 2021 and the average inflation rate was 8.7012%. Therefore, we can resolve the formula like this:

Value2021
=PV × (1 + i)n
=Rp100 × (1 + 0.087012)42
Rp3,325.39

Indonesia inflation - Conversion table

Initial Value Equivalent value
Rp1 ruphia in 1979 Rp33.25 ruphias in 2021
Rp5 ruphias in 1979 Rp166.27 ruphias in 2021
Rp10 ruphias in 1979 Rp332.54 ruphias in 2021
Rp50 ruphias in 1979 Rp1,662.7 ruphias in 2021
Rp100 ruphias in 1979 Rp3,325.39 ruphias in 2021
Rp500 ruphias in 1979 Rp16,626.97 ruphias in 2021
Rp1,000 ruphias in 1979 Rp33,253.94 ruphias in 2021
Rp5,000 ruphias in 1979 Rp166,269.69 ruphias in 2021
Rp10,000 ruphias in 1979 Rp332,539.37 ruphias in 2021
Rp50,000 ruphias in 1979 Rp1,662,696.86 ruphias in 2021
Rp100,000 ruphias in 1979 Rp3,325,393.72 ruphias in 2021
Rp500,000 ruphias in 1979 Rp16,626,968.6 ruphias in 2021
Rp1,000,000 ruphias in 1979 Rp33,253,937.19 ruphias in 2021
Cumulative inflation From 1979 3,355.71%
Avg. annual inflation From 1979 8.59%
CPI 1979 3.56
CPI today 122.91

Value of Ruphia over time (by year)

Period Value
1979 100
1980 118.04
1981 132.51
1982 145.03
1983 162.14
1984 179.1
1985 187.56
1986 198.48
1987 216.89
1988 234.34
1989 249.38
1990 268.88
1991 294.2
1992 316.34
1993 346.93
1994 376.53
1995 412
1996 444.85
1997 472.55
1998 748.76
1999 902.09
2000 935.37
2001 1,042.94
2002 1,167.05
2003 1,245.91
2004 1,321.46
2005 1,459.6
2006 1,650.93
2007 1,756.7
2008 1,936.35
2009 2,021.29
2010 2,125.06
2011 2,238.88
2012 2,334.69
2013 2,484.41
2014 2,643.28
2015 2,811.48
2016 2,910.61
2017 3,021.46
2018 3,118.1
2019 3,212.6
2020 3,274.31
2021 3,325.39
2022-05 3,446.31
Today 3,455.71

All available years

Today's value of indonesian ruphias by year:

1969 | 1970 | 1971 | 1972 | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |

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