AU$100 in 1940 → AU$4,051.85 in 2017

Australia Inflation Calculator


Australian Inflation Rate, 1940-2017 (AU$100)

According to the Bureau of Statistics consumer price index, the dollar experienced an average inflation rate of 4.92% per year. Prices in 2017 are 3951.9% higher than prices in 1940.

In other words, AU$100 in the year 1940 is equivalent in purchasing power to AU$4,051.85 in 2017, a difference of AU$3,951.85 over 77 years.

The inflation rate in 2017 was 0.64%.

Inflation from 1940 to 2017
Cumulative price change 3951.85%
Average inflation rate 4.92%
Price difference (AU$100 base) AU$3,951.85
CPI in 1940 2.7
CPI in 2017 109.4

AUD inflation chart from 1922 to 2017

How to calculate the inflation rate for AU$100, 1940 to 2017

This inflation calculator uses the following inflation rate formula:

CPI in 2017 / CPI in 1940 * 1940 AUD value = 2017 AUD value

Then plug in historical CPI values. The Australian CPI was 2.7 in the year 1940 and 109.4 in 2017:

109.4 / 2.7 * AU$100 = AU$4,051.85

AU$100 in 1940 has the same "purchasing power" as AU$4,051.85 in 2017.

Inflation Data Source

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: “1940 dollars in 2017 | Australia Inflation Calculator.” U.S. Official Inflation Data, Alioth Finance, 26 May. 2018,

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