Other
All math.com: Us/metric Conversion Tables
Convert metric measurements to U.S. Measurements and the reverse, too. Easy to follow tables have sections for area, length, mass,temperature and volume.
ibiblio
Ibiblio: How Many? A Dictionary of Units of Measurement
The Center for Mathematics and Science Education at the University of North Carolina at Chapel Hill provides an interesting and easy-to-use dictionary of the history and meaning of many measurement terms. Metric, International, and...
abcteach
Abcteach: Math: Measurement
[Free Registration/Login Required] Teachers will find a variety of worksheets, booklets, conversion charts, warm-up activities and more on measurements. There is even one activity that could be used in a French language class which...
Science Struck
Science Struck: Liquid Measurement Conversion
Provides tables showing how to convert liquid measurements used for cooking between different customary units and metric units. Covers teaspoons up to gallons, as well as conversions to milliliters.
Other
Conversions for Weight Measurements
This site allows you to convert weight/mass measurements. For example converting tons to grams. CCSS.Math.Content.3.MD.A.2 Measure and estimate liquid volumes and masses of objects using standard units
Khan Academy
Khan Academy: Estimating Mass
In this exercise, students practice estimating mass. Students receive immediate feedback and have the opportunity to get step-by-step hints and try questions repeatedly. CCSS.Math.Content.3.MD.A.2 Measure and estimate liquid volumes and...