U.K. inflation rate in 1788: 4.17%

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Inflation in 1788 and its effect on pound value

£1 in 1787 is equivalent in purchasing power to about £1.04 in 1788. The pound had an average inflation rate of 4.17% per year between 1787 and 1788, producing a cumulative price increase of 4.17%. Purchasing power decreased by 4.17% in 1788 compared to 1787. On average, you would have to spend 4.17% more money in 1788 than in 1787 for the same item.

This means that prices in 1788 are 1.04 times as high as average prices since 1787, according to the Office for National Statistics composite price index.

The inflation rate in 1787 was 0.00%. The inflation rate in 1788 was 4.17%. The 1788 inflation rate is higher compared to the average inflation rate of 2.25% per year between 1788 and 2024.

Inflation rate is calculated by change in the composite price index (CPI). The CPI in 1788 was 7.50. It was 7.20 in the previous year, 1787. The difference in CPI between the years is used by the Office for National Statistics to officially determine inflation.

⌃
Inflation from 1787 to 1788
Average inflation rate4.17%
Converted amount
£1 base		£1.04
Price difference
£1 base		£0.04
CPI in 17877.200
CPI in 17887.500
Inflation in 17870.00%
Inflation in 17884.17%
£1 in 1787£1.04 in 1788
Recent GBP inflation
Annual Rate, the Office for National Statistics CPI
Download

How to calculate inflation rate for £1, 1787 to 1788

Our calculations use the following inflation rate formula to calculate the change in value between 1787 and 1788:

CPI in 1788 CPI in 1787
×
1787 GBP value
=
1788 GBP value

Then plug in historical CPI values. The U.K. CPI was 7.2 in the year 1787 and 7.5 in 1788:

7.57.2
×
£1
=
£1.04

£1 in 1787 has the same "purchasing power" or "buying power" as £1.04 in 1788.

To get the total inflation rate for the 1 years between 1787 and 1788, we use the following formula:

CPI in 1788 - CPI in 1787CPI in 1787
×
100
=
Cumulative inflation rate (1 years)

Plugging in the values to this equation, we get:

7.5 - 7.27.2
×
100
=
4%

Data source & citation

Raw data for these calculations comes from the composite price index published by the UK Office for National Statistics (ONS). A composite index is created by combining price data from several different published sources, both official and unofficial. The Consumer Price Index, normally used to compute inflation, has only been tracked since 1988. All inflation calculations after 1988 use the Office for National Statistics' Consumer Price Index, except for the current year, which is based on The Bank of England's forecast.

You may use the following MLA citation for this page: “Inflation Rate in 1788 | UK Inflation Calculator.” Official Inflation Data, Alioth Finance, 11 Dec. 2024, https://www.officialdata.org/UK-inflation-rate-in-1788.

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 1787 to 1788
Average inflation rate4.17%
Converted amount
£1 base		£1.04
Price difference
£1 base		£0.04
CPI in 17877.200
CPI in 17887.500
Inflation in 17870.00%
Inflation in 17884.17%
£1 in 1787£1.04 in 1788