U.S. inflation rate in 1646: -37.50%

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Inflation in 1646 and Its Effect on Dollar Value

Purchasing power increased by 37.50% in 1646 compared to the previous year, 1645. On average, you would have to spend 37.50% less money in 1646 than in 1645 for the same item. This is an example of deflation.

In other words, $100 in 1645 is equivalent in purchasing power to $62.50 in 1646.

The 1645 inflation rate was -12.00%. The inflation rate in 1646 was -37.50%. The 1646 inflation rate is lower compared to the average inflation rate of 1.03% per year between 1646 and 2018.

Inflation rate is calculated by change in the consumer price index (CPI). The CPI in 1646 was 5.5. It was 8.8 in the previous year, 1645. The difference in CPI between the years is used by the Bureau of Labor Statistics to officially determine inflation. Because the 1646 CPI is less than 1645 CPI, negative inflation (also known as deflation) has occurred.


Inflation from 1645 to 1646
Average inflation rate -37.50%
Converted amount ($100 base) $62.50
Price difference ($100 base) $-37.50
CPI in 1645 8.8
CPI in 1646 5.5
Inflation in 1645 -12.00%
Inflation in 1646 -37.50%


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 1645 and 1646.

Compare these values to the overall average of -37.5% per year:

Category Avg Inflation (%) Total Inflation (%) $100 in 1645 → 1646
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 1645. This table and visualization use the earliest available data for each category.



How to Calculate Inflation Rate for $100, 1645 to 1646

This inflation calculator uses the following inflation rate formula:

CPI in 1646CPI in 1645
×
1645 USD value
=
1646 USD value

Then plug in historical CPI values. The U.S. CPI was 8.8 in the year 1645 and 5.5 in 1646:

5.58.8
×
$100
=
$62.50

$100 in 1645 has the same "purchasing power" or "buying power" as $62.50 in 1646.

To get the total inflation rate for the 1 years between 1645 and 1646, we use the following formula:

CPI in 1646 - CPI in 1645CPI in 1645
×
100
=
Cumulative inflation rate (1 years)

Plugging in the values to this equation, we get:

5.5 - 8.88.8
×
100
=
-37%

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 1646 | Inflation Calculator.” U.S. Official Inflation Data, Alioth Finance, 15 Aug. 2018, https://www.officialdata.org/inflation-rate-in-1646.

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


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