U.S. inflation rate in 1638: -47.66%

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Inflation in 1638 and Its Effect on Dollar Value

Purchasing power increased by 47.66% in 1638 compared to the previous year, 1637. On average, you would have to spend 47.66% less money in 1638 than in 1637 for the same item. This is an example of deflation.

In other words, $100 in 1637 is equivalent in purchasing power to $52.34 in 1638.

The 1637 inflation rate was -14.09%. The inflation rate in 1638 was -47.66%. The 1638 inflation rate is lower compared to the average inflation rate of 0.96% per year between 1638 and 2018.

Inflation rate is calculated by change in the consumer price index (CPI). The CPI in 1638 was 6.7. It was 12.8 in the previous year, 1637. The difference in CPI between the years is used by the Bureau of Labor Statistics to officially determine inflation. Because the 1638 CPI is less than 1637 CPI, negative inflation (also known as deflation) has occurred.


Inflation from 1637 to 1638
Average inflation rate -47.66%
Converted amount ($100 base) $52.34
Price difference ($100 base) $-47.66
CPI in 1637 12.8
CPI in 1638 6.7
Inflation in 1637 -14.09%
Inflation in 1638 -47.66%


U.S. inflation chart since 1665


Inflation by Spending Category

CPI is the weighted combination of many categories of spending that are tracked by the government. This chart shows the average rate of inflation for select CPI categories between 1637 and 1638.

Compare these values to the overall average of -47.66% per year:

Category Avg Inflation (%) Total Inflation (%) $100 in 1637 → 1638
Food 0.00 0.00 100.00
Shelter 0.00 0.00 100.00
Energy 0.00 0.00 100.00
Apparel 0.00 0.00 100.00
New vehicles 0.00 0.00 100.00
Used cars and trucks 0.00 0.00 100.00
Transportation services 0.00 0.00 100.00
Medical care services 0.00 0.00 100.00
Medical care commodities 0.00 0.00 100.00

It's important to note that not all categories may be tracked since 1637. This table and visualization use the earliest available data for each category.



How to Calculate Inflation Rate for $100, 1637 to 1638

This inflation calculator uses the following inflation rate formula:

CPI in 1638CPI in 1637
×
1637 USD value
=
1638 USD value

Then plug in historical CPI values. The U.S. CPI was 12.8 in the year 1637 and 6.7 in 1638:

6.712.8
×
$100
=
$52.34

$100 in 1637 has the same "purchasing power" or "buying power" as $52.34 in 1638.

To get the total inflation rate for the 1 years between 1637 and 1638, we use the following formula:

CPI in 1638 - CPI in 1637CPI in 1637
×
100
=
Cumulative inflation rate (1 years)

Plugging in the values to this equation, we get:

6.7 - 12.812.8
×
100
=
-48%

Data Source & Citation

Raw data for these calculations comes from the Bureau of Labor Statistics' (CPI), established in 1913. Inflation data from 1665 to 1912 is sourced from a historical study conducted by political science professor Robert Sahr at Oregon State University.

You may use the following MLA citation for this page: “Inflation Rate in 1638 | Inflation Calculator.” U.S. Official Inflation Data, Alioth Finance, 19 Oct. 2018, https://www.officialdata.org/inflation-rate-in-1638.

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


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