UK inflation rate in 1909: 1.06%

UK Inflation Calculator


Inflation in 1909 and Its Effect on Pound Value

Purchasing power decreased by 1.06% in 1909 compared to 1908. On average, you would have to spend 1.06% more money in 1909 than in 1908 for the same item.

In other words, £1 in 1908 is equivalent in purchasing power to about £1.01 in 1909.

The 1908 inflation rate was 0.00%. The inflation rate in 1909 was 1.06%. The 1909 inflation rate is lower compared to the average inflation rate of 4.43% per year between 1909 and 2019.

Inflation rate is calculated by change in the composite price index (CPI). The CPI in 1909 was 9.50. It was 9.40 in the previous year, 1908. The difference in CPI between the years is used by the Office for National Statistics to officially determine inflation.

Inflation from 1908 to 1909
Average inflation rate 1.06%
Converted amount (£1 base) £1.01
Price difference (£1 base) £0.01
CPI in 1908 9.400
CPI in 1909 9.500
Inflation in 1908 0.00%
Inflation in 1909 1.06%

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

How to Calculate Inflation Rate for £1, 1908 to 1909

This inflation calculator uses the following inflation rate formula:

CPI in 1909CPI in 1908
1908 GBP value
1909 GBP value

Then plug in historical CPI values. The UK CPI was 9.4 in the year 1908 and 9.5 in 1909:


£1 in 1908 has the same "purchasing power" or "buying power" as £1.01 in 1909.

To get the total inflation rate for the 1 years between 1908 and 1909, we use the following formula:

CPI in 1909 - CPI in 1908CPI in 1908
Cumulative inflation rate (1 years)

Plugging in the values to this equation, we get:

9.5 - 9.49.4

News headlines from 1908

Politics and news often influence economic performance. Here's what was happening at the time:

  • "Scouting for Boys", the book that became an inspiration for the Scout Movement, is published by Lieutenant General Robert Baden-Powell
  • King Carlos I of Portugal and his heir Prince Luis Filipe in Terreiro do Paco are assassinated.
  • A meteor explodes over Siberia with the power of several atomic bombs. This is known as the "Tunguska event".
  • The first Model T car is built.

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

You may use the following MLA citation for this page: “Inflation Rate in 1909 | UK Inflation Calculator.” U.S. Official Inflation Data, Alioth Finance, 24 May. 2019,

Special thanks to QuickChart for providing downloadable chart images. is a reference website maintained by the Official Data Foundation.

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