Currency, Time & Scientific Converters
Currency Converters
Bank of Canada Daily Exchange Rate
International Monetary Fund Exchange Rates
Representative exchange rates for selected currencies updated daily
OANDA
164 currencies for any day since Jan. 1, 1990; updated daily at 8 p.m. EST
xe.com: The Universal Currency Converter
A quick and easy to use converter for the major currencies. Select the "full" version for all possible world currencies.
Time Converters
Time Zone Converter
Lists all time zones by country and converts current, past, and future times.
World Time Server
Provides the time in locations (cities or countries) worldwide.
Scientific Converters
Martindale's Calculators On-Line Center
Includes over 5,000 online calculators for almost any topic
Common Equivalent Weights & Measurements
Sheffield ChemPuter
Chemistry-related calculators and link to periodic table of elements