Currency Converters
Universal Currency Converter™ - Converts currency of different countries at today's values.

164 Currency Converter - Converts currency of different countries for requested dates.

Measurement Converters
Convert-me.com - Converts most types of measurements.

Online Conversion - Calculates measurement conversions and many other types of conversions.

Financial and Mortgage Calculators
CPI Calculation Machine - Converts U.S. currency for different years. Calculate the cost of something in current or prior year dollars.

Hugh's Mortgage and Financial Calculators - Mortgage, car leases, loans, investment yields and others.

How Much Is That Worth Today? - Calculates purchasing power of money in the US between 1665 and 2000.