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Page history last edited by Amy H 1 year, 5 months ago


General Reference  





RefDesk       http://www.refdesk.com/

Since 1995, Refdesk is a free and family-friendly web site that indexes and reviews quality, credible, and current web-based resources.


Library of Congress Virtual Reference Shelf     https://www.loc.gov/rr/askalib/virtualref.html

A list of suggested online resources, by category.   


Converters and Calculators


Calculators Online Center       http://www.martindalecenter.com/Calculators.html

Over 10,000 calculators covering every walk of life.


Currency Converter       http://www.oanda.com/

This currency converter contains the exchange rates for 164 different currencies beginning on January 1, 1990. The converter is updated every day at 8:00pm EST.


Weight, Capacity and Volume, Length, Area, Speed Pressure, Temperature, Circular Measure, and Time.


Temperature Conversion Calculator       http://www.chemie.fu-berlin.de/chemistry/general/units_en.html#temp     

Find out all about Centigrade, Fahrenheit and Kelvin. Easy one step conversion from one scale to another. 


Timezone Converter       http://www.timezoneconverter.com/cgi-bin/tzc64.tzc

Converts the time and date in one part of the world to the time and date in another part. 


U.S. Naval Observatory       http://tycho.usno.navy.mil/what.html

Find the current time for anyplace on Earth. 


Unit Conversions       http://www.digitaldutch.com/unitconverter/index.htm

Converts various units of measurements.

Interactive Units Converter       http://www.convert-me.com/en/




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Last Updated:8/19/2015 AAH

Links checked 9/8/2016 AAH

Link added 8/1/2018 AAH


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