You may find an old payslip, savings account book or even an old birthday card with a £100 note from 1990 tucked inside it. If you have such an item then you can work out what that amount of money could have bought in today’s currency. We will look at a number of ways of trying to work out what such a sum of money could be worth today.
Why There Isn’t One Single Answer
There is no single correct answer to what £100 in 1990 would be worth today. This is because there are two main measures of inflation, used in the UK: CPI and RPI. Each has its own methodology for calculating the change in prices of a basket of goods and services over time, and there are significant differences between the two. As part of its Economy and Business: Indoors activity, the Office for National Statistics’ (ONS) website includes detailed guidance on how both CPI and RPI are calculated. In particular, it explains why RPI generally outruns CPI, largely because of the different treatment of housing costs, and also because of differences in the methodology used to average price changes for individual items.
What The ONS Composite Price Index Does
However, for the very long term, for periods such as 1990 to date, most people tend to use a composite price index which uses historical RPI data for periods for which there are no CPI data and then joins on to modern CPIH data. This is the series that is used by the online conversion tools (such as that above) to convert historic sums of money to their current value. It is also the normal means by which long-term historic inflation is calculated for purposes such as the value of the pound over the past centuries.
Working Through £100 From 1990
Using current ONS figures for inflation, £100 in 1990 is equivalent to approximately £295-£300 in today’s terms when using the CPI inflation measure. This corresponds to an increase of roughly three times the original amount over a thirty five year period. Using the RPI measure, £100 in 1990 would have the same value as approximately £315-£320 in today’s terms. For reference, the Bank of England’s inflation calculator also calculates £100 in 1990 to be equivalent to approximately £295 in today’s terms.
A Pint, A Loaf And A Pint Of Milk
A nice example of the rises in day to day prices over the last 35 years. Prices have tended to rise roughly equally so a good example of how inflation can be tracked by many thousands of articles each day. Prices for beer, bread and milk have all roughly tripled over the last 35 years or so and represent a good example of a general increase in prices over time. A useful tool for what would £100, or any amount, in 1990 be worth today is value of the pound calculator.
Average Earnings Then And Now
Average full-time earnings in 1990 for the UK were around £12,000-£13,000 per year. HM Treasury guidance on the economy, past and present, looks at wage growth and price inflation over long periods and explores why it matters to living standards as well as to economic growth.
What This Meant For Savings Left Untouched
If the £100 had been placed in a normal current account, then over the 35 years or so since 1990 the money would have grown in terms of cash but would have deteriorated in terms of real purchasing power. The interest rate paid by current accounts has generally been above the inflation rate in the early 1990s but has generally fallen below the rate of inflation in the later 1990s and post-2008. This is a generalization though and there have been exceptions at times. For more detail on how your savings might have done, see the National Archives’ currency converter for historic sums of money.
Checking Any Other Year Or Amount
This is also true for any other amount that you are interested in finding the value of. i.e. you can work out the value of money from 1985, 2003 or even 2015 savings. There is an online value of the pound calculator where you can put in any amount and year and it will tell you how much that has risen to in today’s terms.
The worth of money from the past can be a rather abstract concept until you have a figure to work with. But once you have that figure, you can be surprised at how much prices have risen over a generation.




