American Institute for Economic Research Cost-of-Living Calculator
Using the CPI, this calculator converts the dollar value over time.
Bloomberg's Financial Calculators
Bloomberg provides calculators for currency, education, 401(k), mortgage, and leasing/buying programs.
Consumer Price Index (CPI) Calculator
NASA provides a list of calculators such as consumer price index inflation, employment cost index, international price index calculators plus more.
Foreign Exchange Rates (monthly)
Links to the Federal Reserve's monthly exchange rate data.
Foreign Exchange Rates (weekly)
Links to the Federal Reserve's weekly exchange rate data.
How Much Is It Worth Today?
Compare purchasing power of Money from 1965 to any other year.
NewsEngin's Cost-of-Living Calculator
Calculate the historical difference in cost of living based on the Consumer Price Index.
OANDA Currency Converter
Converts currency for 164 exchanges since 1990 to yesterday.
This site provides numerous retirement calculators from commercial and government sources.
PACIFIC Exchange Rate Service
Maintained by the University of British Columbia's Sauder School of Business, this site provides a variety of ways to calculate and output exchange rates between international currencies.
Universal Currency Converter
This site will convert currency for 180 currencies in 250 countries.