Directory of Measurement Resources

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To measure is to compare the dimensions, quantity, or capacity with a standard. There are several systems of measurement. The two used most often are called the English and the metric systems (also called SI, or The International System). In the United States, the English system is used most often. While most other parts of the world use the metric system. The basic units used in the metric system are: Length in meters (m), Mass in kilograms (kg), and Time in seconds (s). The basic units used in the metric system are: Length in yards (yd), Weight in pounds (lb), and Time in Seconds (s). The English units of measurement have many drawbacks: the most significant is in the complexity of converting from one unit to another, such as from yards to feet.

Resources in This Category

• A Dictionary of Units

  http://www.cleavebooks.co.uk/dictunit/
  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.

• Apples4theteacher.com

  http://www.apples4theteacher.com/measure.html
  Measure the teddy bears game.

• Convert-me.Com

  http://www.convert-me.com/
  Interactive calculators for many common and exotic measurement systems, including metric, Ancient Greek, Roman, and old Russian.

• Convertworld

  http://www.convertworld.com/
  Interactive multi-lingual conversion calculator for a wide variety of units.

• CyberSleuth: Units of Measurements Worksheets

  http://cybersleuth-kids.com/sleuth/Math/Math_Worksheets/Units_of_Measurement/
  Twenty-three printable worksheets for elementary school-aged children. Focuses primarily on conversion of units of length.

• FormulaConversion.com

  http://www.formulaconversion.com/
  Offers metric conversion, currency converter search tool and GPA calculator.

• Funbrain.com

  http://www.funbrain.com/measure/
  Measurement game - Game which has several levels of difficulty for both English and metric rulers.

• GCSE Maths: Measurement

  http://www.gcse.com/maths/measurement.htm
  Includes length, area and volume and the use of prefixes in units. With worked examples and animations.

• How Do I Read a Ruler?

  http://www.onlineconversion.com/faq_05.htm
  Article describes all of those little lines and markings.

• How Many?

  http://www.unc.edu/~rowlett/units/index.html
  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.

• ImperialToMetric.com Digital Converter

  http://www.imperialtometric.com/
  Provides help for converting measurement, currency and historical units.

• Measurement Worksheets

  http://www.edhelper.com/measurement.htm
  Features printable worksheets. Includes English and Metric System pages.

• Measuring Angle and Distance with your Thumb

  http://www.vendian.org/mncharity/dir3/bodyruler_angle/
  How to use body parts to estimate measurements.

• Metric 4 US

  http://www.metric4us.com/
  A site promoting the metric system which argues why metric is better and English is worse. Provides an English-metric online calculator.

• Metric Conversion

  http://www.worldwidemetric.com/measurements.html
  Java metric conversion calculator for length, weight, pressure, and volume.

• Metric Conversion Chart

  http://www.sciencemadesimple.com/conversions.html
  Online metric conversion calculator includes metric, US customary and Imperial unit conversions.

• Online Units Conversion

  http://www.convertplus.com/en/
  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.

• Percent Change Calculator

  http://www.percent-change.com/
  Measures the difference in values using percentages. Includes bar graphs with the answer.

• Temperature Converter Fahrenheit Celsius (Centigrade)

  http://www.albireo.ch/temperatureconverter/
  A temperature converter for Celsius and Fahrenheit.

• The Number Empire

  http://www.numberempire.com/
  A collection of online calculators, including prime number finder, fraction solver, and solution finder for calculus equations.

• The Ruler Game

  http://www.rulergame.net/
  Timed game will test how quick you can read a ruler.

• Unit Conversions

  http://www.chemeurope.com/en/tools/
  Online conversions from physics units to other physics units. Includes a comprehensive set of units with definitions.

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