$100 in 1945 is worth $2,593.75 in 2005

Value of $100 from 1945 to 2005

$100 in 1945 is equivalent in purchasing power to about $2,593.75 in 2005, an increase of $2,493.75 over 60 years. The dollar had an average inflation rate of 5.58% per year between 1945 and 2005, producing a cumulative price increase of 2,493.75%.

This means that prices in 2005 are 25.94 times as high as average prices since 1945, according to the Bureau of Statistics consumer price index.

The inflation rate in 1945 was 0.00%. The inflation rate in 2005 was 2.72%. The 2005 inflation rate is higher compared to the average inflation rate of 2.61% per year between 2005 and 2024.


Inflation from 1945 to 2005
Cumulative price change2,493.75%
Average inflation rate5.58%
Converted amount
$100 base
$2,593.75
Price difference
$100 base
$2,493.75
CPI in 19453.200
CPI in 200583.000
Inflation in 19450.00%
Inflation in 20052.72%
$100 in 1945$2,593.75 in 2005

AUD inflation since 1945
Annual Rate, the Bureau of Statistics CPI
Download

Buying power of $100 in 1945

This chart shows a calculation of buying power equivalence for $100 in 1945 (price index tracking began in 1922).

For example, if you started with $100, you would need to end with $2,593.75 in order to "adjust" for inflation (sometimes refered to as "beating inflation").

When $100 is equivalent to $2,593.75 over time, that means that the "real value" of a single Australian dollar decreases over time. In other words, a dollar will pay for fewer items at the store.

This effect explains how inflation erodes the value of a dollar over time. By calculating the value in 1945 dollars, the chart below shows how $100 is worth less over 60 years.

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

Dollar inflation: 1945-2005
YearDollar ValueInflation Rate
1945$100.00-
1946$100.000.00%
1947$106.256.25%
1948$115.638.82%
1949$125.008.11%
1950$137.5010.00%
1951$162.5018.18%
1952$190.6217.31%
1953$200.004.92%
1954$203.131.56%
1955$206.251.54%
1956$218.756.06%
1957$225.002.86%
1958$225.000.00%
1959$231.252.78%
1960$240.634.05%
1961$243.751.30%
1962$243.750.00%
1963$246.881.28%
1964$253.122.53%
1965$262.503.70%
1966$268.752.38%
1967$278.133.49%
1968$287.503.37%
1969$296.883.26%
1970$306.253.16%
1971$325.006.12%
1972$343.755.77%
1973$375.009.09%
1974$434.3815.83%
1975$500.0015.11%
1976$565.6313.13%
1977$634.3812.15%
1978$684.377.88%
1979$746.879.13%
1980$825.0010.46%
1981$903.129.47%
1982$1,003.1311.07%
1983$1,106.2510.28%
1984$1,150.003.95%
1985$1,225.006.52%
1986$1,337.509.18%
1987$1,450.008.41%
1988$1,556.257.33%
1989$1,671.887.43%
1990$1,796.887.48%
1991$1,853.123.13%
1992$1,871.881.01%
1993$1,903.131.67%
1994$1,940.631.97%
1995$2,031.254.67%
1996$2,084.382.62%
1997$2,090.630.30%
1998$2,106.250.75%
1999$2,137.501.48%
2000$2,234.384.53%
2001$2,331.254.34%
2002$2,403.133.08%
2003$2,468.752.73%
2004$2,525.002.28%
2005$2,593.752.72%
2006$2,684.383.49%
2007$2,746.882.33%
2008$2,868.754.44%
2009$2,918.751.74%
2010$3,003.122.89%
2011$3,103.123.33%
2012$3,156.251.71%
2013$3,234.382.48%
2014$3,315.622.51%
2015$3,365.631.51%
2016$3,409.371.30%
2017$3,475.001.92%
2018$3,540.631.89%
2019$3,596.871.59%
2020$3,628.120.87%
2021$3,731.252.84%
2022$3,978.136.62%
2023$4,184.385.18%
2024$4,228.131.05%*
* Compared to previous annual rate. Not final. See inflation summary for latest 12-month trailing value.
Click to show 54 more rows

This conversion table shows various other 1945 amounts in 2005 dollars, based on the 2,493.75% change in prices:

Conversion: 1945 dollars in 2005
Initial valueEquivalent value
$1 dollar in 1945$25.94 dollars in 2005
$5 dollars in 1945$129.69 dollars in 2005
$10 dollars in 1945$259.38 dollars in 2005
$50 dollars in 1945$1,296.88 dollars in 2005
$100 dollars in 1945$2,593.75 dollars in 2005
$500 dollars in 1945$12,968.75 dollars in 2005
$1,000 dollars in 1945$25,937.50 dollars in 2005
$5,000 dollars in 1945$129,687.50 dollars in 2005
$10,000 dollars in 1945$259,375.00 dollars in 2005
$50,000 dollars in 1945$1,296,875.00 dollars in 2005
$100,000 dollars in 1945$2,593,750.00 dollars in 2005
$500,000 dollars in 1945$12,968,750.00 dollars in 2005
$1,000,000 dollars in 1945$25,937,500.00 dollars in 2005

How to calculate inflation rate for $100, 1945 to 2005

Our calculations use the following inflation rate formula to calculate the change in value between 1945 and 2005:

CPI in 2005 CPI in 1945
×
1945 AUD value
=
2005 AUD value

Then plug in historical CPI values. The Australian CPI was 3.2 in the year 1945 and 83 in 2005:

833.2
×
$100
=
$2,593.75

$100 in 1945 has the same "purchasing power" or "buying power" as $2,593.75 in 2005.

To get the total inflation rate for the 60 years between 1945 and 2005, we use the following formula:

CPI in 2005 - CPI in 1945CPI in 1945
×
100
=
Cumulative inflation rate (60 years)

Plugging in the values to this equation, we get:

83 - 3.23.2
×
100
=
2,494%

Data source & citation

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: “$100 in 1945 → 2005 | Australia Inflation Calculator.” Official Inflation Data, Alioth Finance, 28 Mar. 2024, https://www.officialdata.org/1945-AUD-in-2005?amount=100.

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 1945 to 2005
Cumulative price change2,493.75%
Average inflation rate5.58%
Converted amount
$100 base
$2,593.75
Price difference
$100 base
$2,493.75
CPI in 19453.200
CPI in 200583.000
Inflation in 19450.00%
Inflation in 20052.72%
$100 in 1945$2,593.75 in 2005