According to the Bureau of Statistics consumer price index, prices in 1990 are 1,882.76% higher than prices in 1928. The dollar experienced an average inflation rate of 4.94% per year during this period.

In other words, AU$100 in 1928 is equivalent in purchasing power to AU$1,982.76 in 1990, a difference of AU$1,882.76 over 62 years.

The 1928 inflation rate was 3.57%. The inflation rate in 1990 was 7.48%. The 1990 inflation rate is higher compared to the average inflation rate of 2.40% per year between 1990 and 2018.

⌃

Cumulative price change | 1882.76% |

Average inflation rate | 4.94% |

Converted amount (AU$100 base) | AU$1,982.76 |

Price difference (AU$100 base) | AU$1,882.76 |

CPI in 1928 | 2.9 |

CPI in 1990 | 57.5 |

Inflation in 1928 | 3.57% |

Inflation in 1990 | 7.48% |

This chart shows calculations of buying power equivalence over time for AU$100 in 1928 (price index tracking began in 1922).

According to the Bureau of Statistics, each of these AUD amounts below is equal in terms of what it could buy at the time:

Year | AUD Value | Inflation Rate |
---|---|---|

1928 | AU$100.00 | 3.57% |

1929 | AU$100.00 | 0.00% |

1930 | AU$93.10 | -6.90% |

1931 | AU$86.21 | -7.41% |

1932 | AU$82.76 | -4.00% |

1933 | AU$79.31 | -4.17% |

1934 | AU$79.31 | 0.00% |

1935 | AU$82.76 | 4.35% |

1936 | AU$82.76 | 0.00% |

1937 | AU$86.21 | 4.17% |

1938 | AU$89.66 | 4.00% |

1939 | AU$89.66 | 0.00% |

1940 | AU$93.10 | 3.85% |

1941 | AU$96.55 | 3.70% |

1942 | AU$106.90 | 10.71% |

1943 | AU$110.34 | 3.23% |

1944 | AU$110.34 | 0.00% |

1945 | AU$110.34 | 0.00% |

1946 | AU$110.34 | 0.00% |

1947 | AU$117.24 | 6.25% |

1948 | AU$127.59 | 8.82% |

1949 | AU$137.93 | 8.11% |

1950 | AU$151.72 | 10.00% |

1951 | AU$179.31 | 18.18% |

1952 | AU$210.34 | 17.31% |

1953 | AU$220.69 | 4.92% |

1954 | AU$224.14 | 1.56% |

1955 | AU$227.59 | 1.54% |

1956 | AU$241.38 | 6.06% |

1957 | AU$248.28 | 2.86% |

1958 | AU$248.28 | 0.00% |

1959 | AU$255.17 | 2.78% |

1960 | AU$265.52 | 4.05% |

1961 | AU$268.97 | 1.30% |

1962 | AU$268.97 | 0.00% |

1963 | AU$272.41 | 1.28% |

1964 | AU$279.31 | 2.53% |

1965 | AU$289.66 | 3.70% |

1966 | AU$296.55 | 2.38% |

1967 | AU$306.90 | 3.49% |

1968 | AU$317.24 | 3.37% |

1969 | AU$327.59 | 3.26% |

1970 | AU$337.93 | 3.16% |

1971 | AU$358.62 | 6.12% |

1972 | AU$379.31 | 5.77% |

1973 | AU$413.79 | 9.09% |

1974 | AU$479.31 | 15.83% |

1975 | AU$551.72 | 15.11% |

1976 | AU$624.14 | 13.13% |

1977 | AU$700.00 | 12.15% |

1978 | AU$755.17 | 7.88% |

1979 | AU$824.14 | 9.13% |

1980 | AU$910.34 | 10.46% |

1981 | AU$996.55 | 9.47% |

1982 | AU$1,106.90 | 11.07% |

1983 | AU$1,220.69 | 10.28% |

1984 | AU$1,268.97 | 3.95% |

1985 | AU$1,351.72 | 6.52% |

1986 | AU$1,475.86 | 9.18% |

1987 | AU$1,600.00 | 8.41% |

1988 | AU$1,717.24 | 7.33% |

1989 | AU$1,844.83 | 7.43% |

1990 | AU$1,982.76 | 7.48% |

1991 | AU$2,044.83 | 3.13% |

1992 | AU$2,065.52 | 1.01% |

1993 | AU$2,100.00 | 1.67% |

1994 | AU$2,141.38 | 1.97% |

1995 | AU$2,241.38 | 4.67% |

1996 | AU$2,300.00 | 2.62% |

1997 | AU$2,306.90 | 0.30% |

1998 | AU$2,324.14 | 0.75% |

1999 | AU$2,358.62 | 1.48% |

2000 | AU$2,465.52 | 4.53% |

2001 | AU$2,572.41 | 4.34% |

2002 | AU$2,651.72 | 3.08% |

2003 | AU$2,724.14 | 2.73% |

2004 | AU$2,786.21 | 2.28% |

2005 | AU$2,862.07 | 2.72% |

2006 | AU$2,962.07 | 3.49% |

2007 | AU$3,031.03 | 2.33% |

2008 | AU$3,165.52 | 4.44% |

2009 | AU$3,220.69 | 1.74% |

2010 | AU$3,313.79 | 2.89% |

2011 | AU$3,424.14 | 3.33% |

2012 | AU$3,482.76 | 1.71% |

2013 | AU$3,568.97 | 2.48% |

2014 | AU$3,658.62 | 2.51% |

2015 | AU$3,713.79 | 1.51% |

2016 | AU$3,762.07 | 1.30% |

2017 | AU$3,834.48 | 1.92% |

2018 | AU$3,851.72 | 0.45%* |

This inflation calculator uses the following inflation rate formula:

CPI in 1990CPI in 1928

×

1928 AUD value

=

1990 AUD value

Then plug in historical CPI values. The Australian CPI was 2.9 in the year 1928 and 57.5 in 1990:

57.52.9

×

AU$100

=

AU$100 in 1928 has the same "purchasing power" or "buying power" as AU$1,982.76 in 1990.

To get the total inflation rate for the 62 years between 1928 and 1990, we use the following formula:

CPI in 1990 - CPI in 1928CPI in 1928

×

100

=

Plugging in the values to this equation, we get:

57.5 - 2.92.9

×

100

=

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

- Amelia Earhart becomes the first woman to fly across the Atlantic Ocean.
- Jawaharlal Nehru requests Indian independence.
- Alexander Fleming, a Scottish bacteriologist, accidentally discovers penicillin while studying influenza.

Raw data for these calculations comes from the government of Australia's annual (CPI) as provided by the Reserve Bank of Australia. The consumer price index was established in 1922 and is tracked by Australian Bureau of Statistics (ABS).

You may use the following MLA citation for this page: “1928 dollars in 1990 | Australia Inflation Calculator.” U.S. Official Inflation Data, Alioth Finance, 25 Sep. 2018, https://www.officialdata.org/1928-AUD-in-1990.

in2013dollars.com is a reference website maintained by the Official Data Foundation.