Conversions & Calculators

CalculateMe.com: Shows conversions and calculations for temperature, weight, exchange rates and much more
Calculator.Com: Directory of online calculators, browsable by a hierarchical subject/function directory.
Common Weights And Measures: Includes Mathematical Notation for Orders of Magnitude, Metric prefixes, and Common U.S. and Metric equivalents (from UC Berkeley College of Chemistry).
Conversion Factors: Lists conversion relationship between U.S. customary units and SI (International Metric System) units.
Dictionary of Measures, Units and Conversions:
Summarizes most of the units of measurement to be found in use around the world today. Also gives conversion factors needed to change the units into a standard unit of the SI.
Roman Numeral Conversion Tool & Data Table: Guide to deciphering Roman numeral year dates as they are commonly found in the imprints of both modern and early printed books.