£100 in 1765 → £10,040.63 in 1998

UK Inflation Calculator

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UK Inflation Rate, £100 in 1765 to 1998

According to the Office for National Statistics composite price index, the pound experienced an average inflation rate of 2.00% per year. Prices in 1998 are 9940.6% higher than prices in 1765.

In other words, £100 in 1765 is equivalent in purchasing power to £10,040.63 in 1998, a difference of £9,940.63 over 233 years.

The inflation rate in 1998 was 3.43%.

Inflation from 1765 to 1998
Cumulative price change 9940.63%
Average inflation rate 2.00%
Converted amount (£100 base) £10,040.63
Price difference (£100 base) £9,940.63
CPI in 1765 6.4
CPI in 1998 642.6


UK inflation chart from 1988 to 2017. Based on the UK Consumer Price Index.


How to calculate the inflation rate for £100, 1765 to 1998

This inflation calculator uses the following inflation rate formula:

CPI in 1998 / CPI in 1765 * 1765 GBP value = 1998 GBP value

Then plug in historical CPI values. The UK CPI was 6.4 in the year 1765 and 642.6 in 1998:

642.6 / 6.4 * £100 = £10,040.63

£100 in 1765 has the same "purchasing power" or "buying power" as £10,040.63 in 1998.


Inflation Data Source

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 2017, which is based on The Bank of England's forecast.

You may use the following MLA citation for this page: “£100 in 1765 → 1998 | UK Inflation Calculator.” U.S. Official Inflation Data, Alioth Finance, 22 Jun. 2018, https://www.officialdata.org/1765-GBP-in-1998?amount=100.


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