# £3.40 in 1973 → £39.08 in 2017

## UK Inflation Calculator

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👉 You may be interested in £3.40 in 1973 → 2018

### UK Inflation Rate, £3.40 in 1973 to 2017

According to the Office for National Statistics composite price index, the pound experienced an average inflation rate of 5.71% per year. Prices in 2017 are 1049.3% higher than prices in 1973.

In other words, £3.40 in 1973 is equivalent in purchasing power to £39.08 in 2017, a difference of £35.68 over 44 years.

The inflation rate in 2017 was 3.59%.

 Cumulative price change 1049.34% Average inflation rate 5.71% Converted amount (£3.40 base) £39.08 Price difference (£3.40 base) £35.68 CPI in 1973 93.5 CPI in 2017 1074.63

### How to calculate the inflation rate for £3.40, 1973 to 2017

This inflation calculator uses the following inflation rate formula:

CPI in 2017 / CPI in 1973 * 1973 GBP value = 2017 GBP value

Then plug in historical CPI values. The UK CPI was 93.5 in the year 1973 and 1074.63 in 2017:

1074.63 / 93.5 * £3.40 = £39.08

£3.40 in 1973 has the same "purchasing power" or "buying power" as £39.08 in 2017.