"The real price of every thing, what every thing really costs to the man who wants to acquire it, is the toil and trouble of acquiring it... But though labour be the real measure of the exchangeable value of all commodities, it is not that by which their value is commonly estimated... Every commodity, besides, is more frequently exchanged for, and thereby compared with, other commodities than with labour." - Adam Smith, The Wealth of Nations, 1776

"What is a cynic? A man who knows the price of everything and the value of nothing." - Oscar Wilde, Lady Windermere's Fan, 1892.

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The calculators and data sets found on this site have been developed and financed by two professors who started MeasuringWorth in 2006. See the About Us page for more information. This venture has been financed exclusively with their own money. They have constructed all the data used in the various calculators in consultation with the leading economic historians in the world.

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Use	Dollar Range	Pound Range	Euro Range
If you are using a calculator for personal questions.	$0 to $5	£0 to £2.5	€0 to €3
If you are using a calculator to make exhibits in a museum or historical monument more understandable.	$10 to $25	£2 to £5	€7 to €15
If you are asking students in a class to use one of the calculators.	$1 to $2 per student	£0.5 to £1 per student	€0.5 to €1 per student
If you are using one of the calculators or data sets for a published article or book.	$25 to $100	£12 to £50	€15 to €60

Use	Dollar Range	Pound Range	Euro Range
If you are using a calculator for personal questions.	$0 to $5	£0 to £2.5	€0 to €3
If you are using a calculator to make exhibits in a museum or historical monument more understandable.	$10 to $25	£2 to £5	€7 to €15
If you are asking students in a class to use one of the calculators.	$1 to $2 per student	£0.5 to £1 per student	€0.5 to €1 per student
If you are using one of the calculators or data sets for a published article or book.	$25 to $100	£12 to £50	€15 to €60

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MeasuringWorth is a service for calculating relative worth over time.