UK inflation rate in 1805: 15.93%

UK Inflation Calculator

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UK Inflation Rate, 1805-2017 (£1)

The composite price index (CPI) in 1805 was 13.1. the Office for National Statistics uses this CPI value to track inflation on a monthly basis.

According to the Office for National Statistics, the pound experienced an average inflation rate of 2.10% per year. Prices in 2017 are 8032.4% higher than prices in 1805.

In other words, £1 in the year 1805 is equivalent to £81.32 in 2017, a difference of £80.32 over 212 years.

The current inflation rate in 2017 is 2.70%1. If this number holds, £1 today will be equivalent to £1.03 next year.

Inflation from 1805 to 2017
Cumulative price change 8032.43%
Average inflation rate 2.10%
Price difference (£1 base) £80.32
CPI in 1805 13.1
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 £1 since 1805

Start with the inflation rate formula:

CPI in 2017 / CPI in 1805 * 1805 GBP value = 2017 GBP value

Then plug in historical CPI values. The UK CPI was 13.1 in the year 1805 and 1065.34818 in 2017:

1065.34818 / 13.1 * £1 = £81.32

£1 in 1805 has the same "purchasing power" as £81.32 in 2017.


News headlines from 1805

Politics and news often play an important role in economic performance.

  • The British navy, led by Admiral Horatio Nelson, defeat the French and Spanish fleet in the Battle of Trafalgar. Admiral Nelson is killed during battle.
  • The American West is crossed for the first time when an expedition, led by Lewis Clark, reaches the Pacific Ocean
  • The Rocky Mountains are seen for the first time by Lewis and Clark on their expedition.

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.