UK inflation rate in 1900: 4.55%

UK Inflation Calculator

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UK Inflation Rate, 1900-2017 (£1)

The composite price index (CPI) in 1900 was 9.2. 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 4.15% per year. Prices in 2017 are 11479.9% higher than prices in 1900.

In other words, £1 in the year 1900 is equivalent to £115.80 in 2017, a difference of £114.80 over 117 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 1900 to 2017
Cumulative price change 11479.87%
Average inflation rate 4.15%
Price difference (£1 base) £114.80
CPI in 1900 9.2
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 1900

Start with the inflation rate formula:

CPI in 2017 / CPI in 1900 * 1900 GBP value = 2017 GBP value

Then plug in historical CPI values. The UK CPI was 9.2 in the year 1900 and 1065.34818 in 2017:

1065.34818 / 9.2 * £1 = £115.80

£1 in 1900 has the same "purchasing power" as £115.80 in 2017.


News headlines from 1900

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

  • Britain establishes the protectorates of Northern Nigeria and Southern Nigeria.
  • America announces the Open Door Policy to promote trade with China.
  • The US Congress passes the Currency Act, establishing the gold standard.
  • Dutch botanist and geneticist, Hugo de Vries, rediscovers Mendel's law of genetics
  • Korea denies Russia access to Masampo Port, under influence from Japan, leading to a war between Russia and Japan.

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.