Value of $1 from 1940 to 1939
$1 in 1940 is equivalent in purchasing power to about $0.96 in 1939. The dollar had an average inflation rate of 3.85% per year between 1939 and 1940, producing a cumulative price increase of -3.70%.
This means that prices in 1939 are 3.7% lower than average prices in 1940, according to the Bureau of Statistics consumer price index.
The inflation rate in 1939 was 0.00%. The inflation rate in 1940 was 3.85%. The 1940 inflation rate is lower compared to the average inflation rate of 4.73% per year between 1940 and 2026.
⌃
| Average inflation rate | 3.85% |
|
Converted amount
$1 base | $0.96 |
|
Price difference
$1 base | $-0.04 |
| CPI in 1940 | 2.700 |
| CPI in 1939 | 2.600 |
| Inflation in 1939 | 0.00% |
| Inflation in 1940 | 3.85% |
| $1 in 1940 | $0.96 in 1939 |
How to calculate inflation rate for $1, 1939 to 1940
Our calculations use the following inflation rate formula to calculate the change in value between 1939 and 1940:
CPI in 1939CPI in 1940
×
1940 AUD value
=
1939 AUD value
Then plug in historical CPI values. The Australian CPI was 2.7 in the year 1940 and 2.6 in 1939:
2.62.7
×
$1
=
$0.96
$1 in 1940 has the same "purchasing power" or "buying power" as $0.96 in 1939.
To get the total inflation rate for the 1 years between 1939 and 1940, we use the following formula:
CPI in 1939 - CPI in 1940CPI in 1940
×
100
=
Cumulative inflation rate (1 years)
Plugging in the values to this equation, we get:
2.6 - 2.72.7
×
100
=
-4%
Frequently asked questions
How much is $1 from 1940 worth in 1939?
$1 in 1940 has about the same buying power as $0.96 in 1939, based on the consumer price index published by the Bureau of Statistics. Prices in 1939 are 3.70% lower than they were in 1940.
What was the inflation rate in 1939?
The Australian inflation rate in 1939 was 0.00%, measured as the change in the consumer price index from 1938 to 1939. See inflation in 1939 for more detail.
What has the average inflation rate been from 1939 to 1940?
Prices rose by an average of 3.85% per year between 1939 and 1940, a cumulative increase of 3.85%.
How is this calculated?
Divide the CPI in 1939 (2.6) by the CPI in 1940 (2.7), then multiply by the original amount: 2.6 ÷ 2.7 × $1 = $0.96. See the step-by-step formula above.
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: “$1 in 1940 → 1939 | Australia Inflation Calculator.” Official Inflation Data, Alioth Finance, 8 Oct. 2026, https://www.officialdata.org/australia/inflation/1940?amount=1&endYear=1939.
Special thanks to QuickChart for their chart image API, which is used for chart downloads.
in2013dollars.com is a reference website maintained by the Official Data Foundation.
| Average inflation rate | 3.85% |
|
Converted amount
$1 base | $0.96 |
|
Price difference
$1 base | $-0.04 |
| CPI in 1940 | 2.700 |
| CPI in 1939 | 2.600 |
| Inflation in 1939 | 0.00% |
| Inflation in 1940 | 3.85% |
| $1 in 1940 | $0.96 in 1939 |