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A summary of most of the units of measurement to be found in use around the world today (and a few of historical interest), together with the appropriate conversion factors needed to change them into a standard unit.
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Measure the teddy bears game.
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A simple calculator to convert between various units.
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Twenty-three printable worksheets for elementary school-aged children. Focuses primarily on conversion of units of length.
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Instructions on how to use metric and English rulers.
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Measurement game - Game which has several levels of difficulty for both English and metric rulers.
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Includes length, area and volume and the use of prefixes in units. With worked examples and animations.
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A dictionary of units of measurement: explanations of the metric system, System Internationale (SI), English customary system, and other modern measuring systems. Plus extensive links to other measurement-related Internet resources.
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Article describes all of those little lines and markings.
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Provides several methods for determining length, width and height.
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History and description of clocks with lessons on telling the time. Includes an interactive tutor. [Requires Java]
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Measurements converter for time, length, volume, and weight. Requires JavaScript.
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Features printable worksheets. Includes English and Metric System pages.
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How to use body parts to estimate measurements.
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A site promoting the metric system which argues why metric is better and English is worse. Provides an English-metric online calculator.
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Conversion factors and online calculators for metric and imperial units.
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Online calculator converts between metric, British, and American units.
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Offers equivalents for common measurements, plus how metric units are used in sports and the kitchen.
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Gives equal values for areas, volumes, circle measurements, computer storage, currencies, distance and length, energy, fuel consumption, power, pressure, speed, temperature, time, torque, and weights.
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Compares units of ancient times with modern ones.
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Measures the difference in value using percentages. Includes bar graphs with the answer.
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A temperature converter for Celsius and Fahrenheit.
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Dictionary of metric units explaining the principles and history of the system.
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Timed game will test how quick you can read a ruler.
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Online conversions from physics units to other physics units. Includes a comprehensive set of units with definitions.
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Java metric conversion calculator for length, weight, pressure, and volume.
