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Best of the Web: Reference » Calculators, Converters & Measurements
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A Dictionary of Measures, Units and Conversions
Includes a summary of the units of measurement used worldwide, a table of conversion factors, definitions of international standard units, and a powerful conversion tool.
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Calculators On-line: Mathematics
Contains over 17,000 math and statistical calculators and dictionaries classified by specialty and language.
- Choose to Save--Financial Calculators
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Common Weights and Measures
Simple lists of the mathematical notations for orders of magnitude, metric prefixes and common U.S. and metric equivalents.
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FXConverter
The FXConverter (Foreign Exchange Currency Converter) provides up to date exchange rates for 164 currencies.
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How Far Is It
Calculate the distance -- as the crow flies -- between any two cities around the world.
- How Many? A Dictionary Of Units Of Measurement
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How Many? A Dictionary of Units of Measurements
An A-Z dictionary of the International System of Units, the metric system, and English traditional systems with a history and overview of each. Comprehensive.
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Manhattan Address Locator
Zero in on cross streets or avenues with this handy address finder.
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Martindale's Calculators On-Line Center
This site provides a variety of general and subject specific calculators.
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Online Conversion
This site enables you to convert speed, distance, area, numbers, angles, clothing size, etc. It provides over 5,000 units, and 50,000 conversions.
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The Original Tipping Page
Helpful site that provides suggestions for tipping and an enlargeable tip rate table card.
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XE.com - The Universal Currency Converter ?
Interactive foreign exchange rate calculations using up-to-the-minute currency rates.
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Picture of the Day
Mid-day heat Jamaica. (1906). NYPL Schomburg Center for Research in Black Culture.
One of 700,000 pictures in the NYPL Digital Gallery