U.S. inflation rate in 1818: -4.51%

Inflation in 1818 and its effect on dollar value

$1 in 1817 is equivalent in purchasing power to about $0.95 in 1818. The dollar had an average deflation rate of -4.51% per year since 1817, producing a cumulative price change of -4.51%. Purchasing power increased by 4.51% in 1818 compared to 1817. On average, you would have to spend 4.51% less money in 1818 than in 1817 for the same item. This is an example of deflation.

This means that prices in 1818 are 4.51% lower than average prices since 1817, according to the Bureau of Labor Statistics consumer price index.

The inflation rate in 1817 was -5.67%. The inflation rate in 1818 was -4.51%. The 1818 inflation rate is lower compared to the average inflation rate of 1.56% per year between 1818 and 2024.

Inflation rate is calculated by change in the consumer price index (CPI). The CPI in 1818 was 12.70. It was 13.30 in the previous year, 1817. The difference in CPI between the years is used by the Bureau of Labor Statistics to officially determine inflation. Because the 1818 CPI is less than 1817 CPI, negative inflation (also known as deflation) has occurred.


Inflation from 1817 to 1818
Average inflation rate-4.51%
Converted amount
$1 base
$0.95
Price difference
$1 base
$-0.05
CPI in 181713.300
CPI in 181812.700
Inflation in 1817-5.67%
Inflation in 1818-4.51%
$1 in 1817$0.95 in 1818

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 1817 would be equivalent to £1.00 in 1818, an absolute change of £0.00 and a cumulative change of 0.00%.

Compare these numbers to the US's overall absolute change of $-0.05 and total percent change of -4.51%.


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 1817 and 1818.

Compare these values to the overall average of -4.51% per year:

CategoryAvg Inflation (%)Total Inflation (%)$1 in 1817 → 1818
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 1817. This table and charts use the earliest available data for each category.



How to calculate inflation rate for $1, 1817 to 1818

Our calculations use the following inflation rate formula to calculate the change in value between 1817 and 1818:

CPI in 1818 CPI in 1817
×
1817 USD value
=
1818 USD value

Then plug in historical CPI values. The U.S. CPI was 13.3 in the year 1817 and 12.7 in 1818:

12.713.3
×
$1
=
$0.95

$1 in 1817 has the same "purchasing power" or "buying power" as $0.95 in 1818.

To get the total inflation rate for the 1 years between 1817 and 1818, we use the following formula:

CPI in 1818 - CPI in 1817CPI in 1817
×
100
=
Cumulative inflation rate (1 years)

Plugging in the values to this equation, we get:

12.7 - 13.313.3
×
100
=
-5%

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: “Inflation Rate in 1818 | Inflation Calculator.” Official Inflation Data, Alioth Finance, 24 Mar. 2024, https://www.officialdata.org/inflation-rate-in-1818.

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 1817 to 1818
Average inflation rate-4.51%
Converted amount
$1 base
$0.95
Price difference
$1 base
$-0.05
CPI in 181713.300
CPI in 181812.700
Inflation in 1817-5.67%
Inflation in 1818-4.51%
$1 in 1817$0.95 in 1818