# UK inflation rate in 1858: -9.00%

## UK Inflation Calculator

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### UK Inflation Rate, 1858-2018 (£100)

The composite price index (CPI) in 1858 was 9.1. the Office for National Statistics uses this CPI value to track inflation on a monthly basis.

According to the Office for National Statistics composite price index, the pound experienced an average inflation rate of 3.04% per year. Prices in 2018 are 11950.5% higher than prices in 1858.

In other words, £100 in the year 1858 is equivalent in purchasing power to £12,050.46 in 2018, a difference of £11,950.46 over 160 years.

Compared to last year's annual rate, the inflation rate in 2018 is now 3.10%1. If this number holds, £100 today would be equivalent to £103.10 next year.

 Cumulative price change 11950.46% Average inflation rate 3.04% Price difference (£100 base) £11,950.46 CPI in 1858 9.1 CPI in 2018 1096.59148

### How to calculate the inflation rate for £100 since 1858

This inflation calculator uses the following inflation rate formula:

CPI in 2018 / CPI in 1858 * 1858 GBP value = 2018 GBP value

Then plug in historical CPI values. The UK CPI was 9.1 in the year 1858 and 1096.59148 in 2018:

1096.59148 / 9.1 * £100 = £12,050.46

£100 in 1858 has the same "purchasing power" as £12,050.46 in 2018.