Calculate purchasing power

Try our online currency converter and find out how many animals, stones of wool and quarters of wheat you can buy, and how much you could earn.

Enter currency to show its purchasing power

The result of the calculation is intended to be a general guide to historical values, rather than a categorical statement of fact.

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The data used in this currency converter comes from our historical records such as those of the royal household and Exchequer. These documents may record large purchases by government institutions rather than ordinary retail prices, and wages of skilled craftsmen rather than the general level of earnings. Our calculations are intended as a general guide to historical values, not a statement of fact. There are no plans to update the calculator for values beyond 2017.

You can find an inflation calculator at, and comparators (for the UK and various other countries) at

Calculations based on the retail price index may not always be appropriate: comparisons based on average earnings or gross domestic product per head may be more suitable. You can find comparators of both kinds at, along with explanations of each type of calculation and of the sources on which they are based.

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