$1 in 1665 is worth $1.18 in 1664

Value of $1 from 1665 to 1664

$1 in 1665 is equivalent in purchasing power to about $1.18 in 1664. The dollar had an average deflation rate of -15.56% per year since 1664, producing a cumulative price change of 18.42%.

This means that prices in 1664 are 1.18 times higher than average prices since 1665, according to the Bureau of Labor Statistics consumer price index.

The 1664 inflation rate was 0.00%. The inflation rate in 1665 was -15.56%. The 1665 inflation rate is lower compared to the average inflation rate of 1.19% per year between 1665 and 2021.


Inflation from 1665 to 1664
Average inflation rate -15.56%
Converted amount ($1 base) $1.18
Price difference ($1 base) $0.18
CPI in 1665 3.800
CPI in 1664 4.500
Inflation in 1664 0.00%
Inflation in 1665 -15.56%
$1 in 1665 $1.18 in 1664

USD Inflation since 1635
Annual Rate, the Bureau of Labor Statistics CPI
Download

Inflation by Spending Category

CPI is the weighted combination of many categories of spending that are tracked by the government. Breaking down these categories helps explain the main drivers behind price changes. This chart shows the average rate of inflation for select CPI categories between 1665 and 1664.

Compare these values to the overall average of -15.56% per year:

Category Avg Inflation (%) Total Inflation (%) $1 in 1664 → 1665
Food and beverages 0.00 0.00 1.00
Housing 0.00 0.00 1.00
Apparel 0.00 0.00 1.00
Transportation 0.00 0.00 1.00
Medical care 0.00 0.00 1.00
Recreation 0.00 0.00 1.00
Education and communication 0.00 0.00 1.00
Other goods and services 0.00 0.00 1.00

For all these visualizations, it's important to note that not all categories may have been tracked since 1665. This table and charts use the earliest available data for each category.



How to Calculate Inflation Rate for $1, 1664 to 1665

Our calculations use the following inflation rate formula to calculate the change in value between 1664 and 1665:

CPI in 1664 CPI in 1665
×
1665 USD value
=
1664 USD value

Then plug in historical CPI values. The U.S. CPI was 3.8 in the year 1665 and 4.5 in 1664:

4.53.8
×
$1
=
$1.18

$1 in 1665 has the same "purchasing power" or "buying power" as $1.18 in 1664.

To get the total inflation rate for the 1 years between 1664 and 1665, we use the following formula:

CPI in 1664 - CPI in 1665CPI in 1665
×
100
=
Cumulative inflation rate (1 years)

Plugging in the values to this equation, we get:

4.5 - 3.83.8
×
100
=
18%

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: “$1 in 1665 → 1664 | Inflation Calculator.” Official Inflation Data, Alioth Finance, 17 Jan. 2021, https://www.officialdata.org/us/inflation/1665?amount=1&endYear=1664.

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.


Ian Webster

About the author

Ian Webster is an engineer and data expert based in San Mateo, California. He has worked for Google, NASA, and consulted for governments around the world on data pipelines and data analysis. Disappointed by the lack of clear resources on the impacts of inflation on economic indicators, Ian believes this website serves as a valuable public tool. Ian earned his degree in Computer Science from Dartmouth College.

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Inflation from 1665 to 1664
Average inflation rate -15.56%
Converted amount ($1 base) $1.18
Price difference ($1 base) $0.18
CPI in 1665 3.800
CPI in 1664 4.500
Inflation in 1664 0.00%
Inflation in 1665 -15.56%
$1 in 1665 $1.18 in 1664