£100 in 1751 → £21,306.96 in 2017

UK Inflation Calculator

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UK Inflation Rate, 1751-2017 (£100)

According to the Office for National Statistics, the pound experienced an average inflation rate of 2.04% per year. Prices in 2017 are 21207.0% higher than prices in 1751.

In other words, £100 in the year 1751 is equivalent to £21,306.96 in 2017, a difference of £21,206.96 over 266 years.

The current inflation rate in 2017 is 2.70%1. If this number holds, £100 today will be equivalent to £102.70 next year.

Inflation from 1751 to 2017
Cumulative price change 21206.96%
Average inflation rate 2.04%
Price difference (£100 base) £21,206.96
CPI in 1751 5
CPI in 2017 1065.34818


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


How to calculate the inflation rate for £100 since 1751

Start with the inflation rate formula:

CPI in 2017 / CPI in 1751 * 1751 GBP value = 2017 GBP value

Then plug in historical CPI values. The UK CPI was 5 in the year 1751 and 1065.34818 in 2017:

1065.34818 / 5 * £100 = £21,306.96

£100 in 1751 has the same "purchasing power" as £21,306.96 in 2017.


Inflation Data Source: This calculator uses 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.


» Read more about inflation.