Value of $1 from 1930 to 1940
$1 in 1930 is equivalent in purchasing power to about $0.87 in 1940, a difference of $-0.13 over 10 years. The dollar had an average deflation rate of -1.35% per year since 1930, producing a cumulative price change of -12.68%.
This means that prices in 1940 are 12.68% lower than average prices in 1930, according to Statistics Canada consumer price index.
The inflation rate in 1930 was -0.99%. The inflation rate in 1940 was 4.25%. The 1940 inflation rate is higher compared to the average inflation rate of 3.59% per year between 1940 and 2026.
⌃
| Cumulative price change | -12.68% |
| Average inflation rate | -1.35% |
|
Converted amount
$1 base | $0.87 |
|
Price difference
$1 base | $-0.13 |
| CPI in 1930 | 9.133 |
| CPI in 1940 | 7.975 |
| Inflation in 1930 | -0.99% |
| Inflation in 1940 | 4.25% |
| $1 in 1930 | $0.87 in 1940 |
Buying power of $1 in 1930
This chart shows a calculation of buying power equivalence for $1 in 1930 (price index tracking began in 1914).
For example, if you started with $1, you would need to end with $0.87 in order to "adjust" for inflation (sometimes refered to as "beating inflation").
According to Statistics Canada, each of these CAD amounts below is equal in terms of what it could buy at the time:
This conversion table shows various other 1930 amounts in 1940 dollars, based on the -12.68% change in prices:
| Initial value | Equivalent value |
|---|---|
| $1 dollar in 1930 | $0.87 dollars in 1940 |
| $5 dollars in 1930 | $4.37 dollars in 1940 |
| $10 dollars in 1930 | $8.73 dollars in 1940 |
| $50 dollars in 1930 | $43.66 dollars in 1940 |
| $100 dollars in 1930 | $87.32 dollars in 1940 |
| $500 dollars in 1930 | $436.59 dollars in 1940 |
| $1,000 dollars in 1930 | $873.18 dollars in 1940 |
| $5,000 dollars in 1930 | $4,365.88 dollars in 1940 |
| $10,000 dollars in 1930 | $8,731.75 dollars in 1940 |
| $50,000 dollars in 1930 | $43,658.76 dollars in 1940 |
| $100,000 dollars in 1930 | $87,317.52 dollars in 1940 |
| $500,000 dollars in 1930 | $436,587.59 dollars in 1940 |
| $1,000,000 dollars in 1930 | $873,175.18 dollars in 1940 |
How to calculate inflation rate for $1, 1930 to 1940
Our calculations use the following inflation rate formula to calculate the change in value between 1930 and 1940:
CPI in 1940CPI in 1930
×
1930 CAD value
=
1940 CAD value
Then plug in historical CPI values. The Canadian CPI was 9.133333333 in the year 1930 and 7.975 in 1940:
7.9759.133333333
×
$1
=
$0.87
$1 in 1930 has the same "purchasing power" or "buying power" as $0.87 in 1940.
To get the total inflation rate for the 10 years between 1930 and 1940, we use the following formula:
CPI in 1940 - CPI in 1930CPI in 1930
×
100
=
Cumulative inflation rate (10 years)
Plugging in the values to this equation, we get:
7.975 - 9.1333333339.133333333
×
100
=
-13%
Frequently asked questions
How much is $1 from 1930 worth in 1940?
$1 in 1930 has about the same buying power as $0.87 in 1940, based on the consumer price index published by Statistics Canada. Prices in 1940 are 12.68% lower than they were in 1930.
What was the inflation rate in 1930?
The Canadian inflation rate in 1930 was -0.99%, measured as the change in the consumer price index from 1929 to 1930. See inflation in 1930 for more detail.
What has the average inflation rate been from 1930 to 1940?
Prices fell by an average of 1.35% per year between 1930 and 1940, a cumulative decrease of 12.68%. Because inflation compounds, these yearly changes add up over 10 years.
How is this calculated?
Divide the CPI in 1940 (7.975) by the CPI in 1930 (9.133), then multiply by the original amount: 7.975 ÷ 9.133 × $1 = $0.87. See the step-by-step formula above.
Data source & citation
Raw data for these calculations comes from the government of Canada's annual Consumer Price Index (CPI), established in 1914 and computed by Statistics Canada (StatCan).
You may use the following MLA citation for this page: “$1 in 1930 → 1940 | Canada Inflation Calculator.” Official Inflation Data, Alioth Finance, 4 Oct. 2026, https://www.officialdata.org/canada/inflation/1930?amount=1&endYear=1940.
Special thanks to QuickChart for their chart image API, which is used for chart downloads.
| Cumulative price change | -12.68% |
| Average inflation rate | -1.35% |
|
Converted amount
$1 base | $0.87 |
|
Price difference
$1 base | $-0.13 |
| CPI in 1930 | 9.133 |
| CPI in 1940 | 7.975 |
| Inflation in 1930 | -0.99% |
| Inflation in 1940 | 4.25% |
| $1 in 1930 | $0.87 in 1940 |