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# UK inflation rate in 1900: 4.55%

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### Inflation in 1900 and Its Effect on Pound Value

Purchasing power decreased by 4.55% in 1900 compared to 1899. On average, you would have to spend 4.55% more money in 1900 than in 1899 for the same item.

In other words, £1 in 1899 is equivalent in purchasing power to about £1.05 in 1900.

The 1899 inflation rate was 1.15%. The inflation rate in 1900 was 4.55%. The 1900 inflation rate is higher compared to the average inflation rate of 4.12% per year between 1900 and 2019.

Inflation rate is calculated by change in the composite price index (CPI). The CPI in 1900 was 9.20. It was 8.80 in the previous year, 1899. The difference in CPI between the years is used by the Office for National Statistics to officially determine inflation.

 Average inflation rate 4.55% Converted amount (£1 base) £1.05 Price difference (£1 base) £0.05 CPI in 1899 8.800 CPI in 1900 9.200 Inflation in 1899 1.15% Inflation in 1900 4.55%

### How to Calculate Inflation Rate for £1, 1899 to 1900

This inflation calculator uses the following inflation rate formula:

CPI in 1900CPI in 1899
×
1899 GBP value
=
1900 GBP value

Then plug in historical CPI values. The UK CPI was 8.8 in the year 1899 and 9.2 in 1900:

9.28.8
×
£1
=
£1.05

£1 in 1899 has the same "purchasing power" or "buying power" as £1.05 in 1900.

To get the total inflation rate for the 1 years between 1899 and 1900, we use the following formula:

CPI in 1900 - CPI in 1899CPI in 1899
×
100
=
Cumulative inflation rate (1 years)

Plugging in the values to this equation, we get:

9.2 - 8.88.8
×
100
=
5%

### News headlines from 1899

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

• Aspirin is patented by Felix Hoffmann at Bayer Company.
• The bicycle is patented frame by an African-American inventor Issac Johnson.
• Boers defeat British forces in a Battle of Ladysmith, which leads to the Siege of Ladysmith.
• 1902 Marie and Pierre Curie isolate the radioactive element of chlorine.
• Abdulaziz Ibn Saud and his 40 men, take over the city of Riyadh, which marked the beginning of the Third Saudi State.
• U.S. Court of Appeals rules that Thomas Edison did not invent the movie camera.

### 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 1900 | UK Inflation Calculator.” U.S. Official Inflation Data, Alioth Finance, 19 Sep. 2019, https://www.officialdata.org/UK-inflation-rate-in-1900.

Special thanks to QuickChart for providing downloadable chart images.

in2013dollars.com is a reference website maintained by the Official Data Foundation.

 Average inflation rate 4.55% Converted amount (£1 base) £1.05 Price difference (£1 base) £0.05 CPI in 1899 8.800 CPI in 1900 9.200 Inflation in 1899 1.15% Inflation in 1900 4.55%