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ONLINE REFERENCE COLLECTION

ENCYCLOPEDIAS, DICTIONARIES & OTHER QUICK FACT SOURCES

Calculators & Converters

How far is it? Free resource--no login required
Enter two cities and the direct distance between them will be calculated.
metric conversions.org Free resource--no login required
Focuses on metric conversions (e.g. pounds to kilograms, miles to kilometers) but also offers a host of other conversion functions.
Time Zone Converter Free resource--no login required
Calculate the time anywhere in the world.
Universal Currency Converter Free resource--no login required
Automatically converts currencies between countries using rates from the previous business day.
Salary Calculator Free resource--no login required
Compares the cost of living among hundreds of U.S. cities. Enter the city you live in, where you're moving, and how much you make, and the calculator will tell you how much you'll need to make in your new city.
The Inflation Calculator Free resource--no login required
Enter an amount of money and two years between 1800 and 2005, and this calculator shows the inflation-adjusted amount for both years. Based on Consumer Price Index figures.
AskNumbers.com Free resource--no login required
Offers tools to convert between units in distance, weight/mass, temperature, cookery, and many other categories.