Virtual Nerd
Virtual Nerd: How Do You Determine the Best Customary Units to Measure a Weight?
Want to weigh an object, but not sure the best customary unity to use? This tutorial can help! It shows you how to determine the best customary unit to use for measuring the weight of a given object
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Online Conversion
Conversion calculators galore! Convert just about anything from one measureable unit into another measureable unit here with over two dozen calculators. Each of the links is specific to a measureable quantity. Some examples include...
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World Wide Metric Calculator
Do you need a quick conversion from metric units to imperial units or just the reverse? Use this resource for conversions of length, weight, pressure, and volume.