Purchasing power decreased by 64.18% in 1639 compared to 1638. On average, you would have to spend 64.18% more money in 1639 than in 1638 for the same item.
In other words, $1 in 1638 is equivalent in purchasing power to about $1.64 in 1639.
The 1638 inflation rate was -47.66%. The inflation rate in 1639 was 64.18%. The 1639 inflation rate is higher compared to the average inflation rate of 0.83% per year between 1639 and 2019.
Inflation rate is calculated by change in the consumer price index (CPI). The CPI in 1639 was 11.00. It was 6.70 in the previous year, 1638. The difference in CPI between the years is used by the Bureau of Labor Statistics to officially determine inflation.
|Average inflation rate||64.18%|
|Converted amount ($1 base)||$1.64|
|Price difference ($1 base)||$0.64|
|CPI in 1638||6.700|
|CPI in 1639||11.000|
|Inflation in 1638||-47.66%|
|Inflation in 1639||64.18%|
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 1638 and 1639.
Compare these values to the overall average of 64.18% per year:
|Category||Avg Inflation (%)||Total Inflation (%)||$1 in 1638 → 1639|
|Used cars and trucks||0.00||0.00||1.00|
|Medical care services||0.00||0.00||1.00|
|Medical care commodities||0.00||0.00||1.00|
It's important to note that not all categories may be tracked since 1638. This table and visualization use the earliest available data for each category.
This inflation calculator uses the following inflation rate formula:
Then plug in historical CPI values. The U.S. CPI was 6.7 in the year 1638 and 11 in 1639:
$1 in 1638 has the same "purchasing power" or "buying power" as $1.64 in 1639.
To get the total inflation rate for the 1 years between 1638 and 1639, we use the following formula:
Plugging in the values to this equation, we get:
Raw data for these calculations comes from the Bureau of Labor Statistics' Consumer Price Index (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 1639 | Inflation Calculator.” U.S. Official Inflation Data, Alioth Finance, 23 Apr. 2019, https://www.officialdata.org/inflation-rate-in-1639.
Special thanks to QuickChart for providing downloadable chart images.
in2013dollars.com is a reference website maintained by the Official Data Foundation.