Measurements

Web Resources

AskNumbers.com: Select from weight/mass, metric, speed, and torque to currency and foreign clothing or shoe sizes.
Conversion Factors for Energy Equivalents
ConvertMe.com: Interactive calculators for many measurement systems.
ConvertIt: Quick and easy measurement converter.
A Dictionary of Units: A summary of most of the units of measure used around the world. Also includes the conversion factors needed to change them into a 'standard' unit of the SI.
Factmonster.com: Measurements: Topics include: U.S. Weights and Measures, Metric Weights and Measures, The International System (Metric), Metric Conversions, Conversion Factors, Conversion of Miles to Kilometers and Kilometers to Miles, Fahrenheit and Celsius (Centigrade) Scales, Measuring Motion, Measuring Power, Nautical Measurement, How Early Measures Made Their Mark, Miscellaneous Units of Measure, Origins of Measurements, Cooking Measurement Equivalents, Standard Measurements in Sports, Polygons: How Many Sides?, Famous Math Minds.
How Many? A Dictionary of Units of Measure
Metric-Conversions.org: Metric conversion charts and calculators for metric conversions.
Online Conversion
PrintableRulers.net: Choose from 114 printable rulers, in PDF format, that you can download and print for free.
PrintMini.com: Free Printable Rulers: See also Some Printable Paper Rulers from Vendian.org