$1 in 1820 is worth $1.09 in 1819

Value of $1 from 1820 to 1819

$1 in 1820 is equivalent in purchasing power to about $1.09 in 1819. The dollar had an average deflation rate of -7.87% per year since 1819, producing a cumulative price change of 8.55%.

This means that prices in 1819 are 1.09 times as high as average prices since 1820, according to the Bureau of Labor Statistics consumer price index.

The inflation rate in 1819 was 0.00%. The inflation rate in 1820 was -7.87%. The 1820 inflation rate is lower compared to the average inflation rate of 1.62% per year between 1820 and 2024.


Inflation from 1820 to 1819
Average inflation rate-7.87%
Converted amount
$1 base
$1.09
Price difference
$1 base
$0.09
CPI in 182011.700
CPI in 181912.700
Inflation in 18190.00%
Inflation in 1820-7.87%
$1 in 1820$1.09 in 1819

Recent USD inflation
Annual Rate, the Bureau of Labor Statistics CPI
Download

Inflation by Country

Inflation can also vary widely by country. For comparison, in the UK £1.00 in 1820 would be equivalent to £1.10 in 1819, an absolute change of £0.10 and a cumulative change of 10.26%.

Compare these numbers to the US's overall absolute change of $0.09 and total percent change of 8.55%.


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 1820 and 1819.

Compare these values to the overall average of -7.87% per year:

CategoryAvg Inflation (%)Total Inflation (%)$1 in 1819 → 1820
Food and beverages0.000.001.00
Housing0.000.001.00
Apparel0.000.001.00
Transportation0.000.001.00
Medical care0.000.001.00
Recreation0.000.001.00
Education and communication0.000.001.00
Other goods and services0.000.001.00

For all these visualizations, it's important to note that not all categories may have been tracked since 1820. This table and charts use the earliest available data for each category.



How to calculate inflation rate for $1, 1819 to 1820

Our calculations use the following inflation rate formula to calculate the change in value between 1819 and 1820:

CPI in 1819 CPI in 1820
×
1820 USD value
=
1819 USD value

Then plug in historical CPI values. The U.S. CPI was 11.7 in the year 1820 and 12.7 in 1819:

12.711.7
×
$1
=
$1.09

$1 in 1820 has the same "purchasing power" or "buying power" as $1.09 in 1819.

To get the total inflation rate for the 1 years between 1819 and 1820, we use the following formula:

CPI in 1819 - CPI in 1820CPI in 1820
×
100
=
Cumulative inflation rate (1 years)

Plugging in the values to this equation, we get:

12.7 - 11.711.7
×
100
=
9%

Data source & citation

Raw data for these calculations comes from the Bureau of Labor Statistics' (CPI), established in 1913. Price index data from 1774 to 1912 is sourced from a historical study conducted by political science professor Robert Sahr at Oregon State University and from the American Antiquarian Society. Price index data from 1634 to 1773 is from the American Antiquarian Society, using British pound equivalents.

You may use the following MLA citation for this page: “$1 in 1820 → 1819 | Inflation Calculator.” Official Inflation Data, Alioth Finance, 28 Mar. 2024, https://www.officialdata.org/us/inflation/1820?amount=1&endYear=1819.

Special thanks to QuickChart for their chart image API, which is used for chart downloads.


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 1820 to 1819
Average inflation rate-7.87%
Converted amount
$1 base
$1.09
Price difference
$1 base
$0.09
CPI in 182011.700
CPI in 181912.700
Inflation in 18190.00%
Inflation in 1820-7.87%
$1 in 1820$1.09 in 1819