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.
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Sites 22
- Convertworld Interactive multi-lingual conversion calculator for a wide variety of units.
- CyberSleuth: Units of Measurements Worksheets Twenty-three printable worksheets for elementary school-aged children. Focuses primarily on conversion of units of length.
- Measurement Worksheets Features printable worksheets. Includes English and Metric System pages.
- How Many? 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.
- Metric 4 US A site promoting the metric system which argues why metric is better and English is worse. Provides an English-metric online calculator.
- Temperature Converter Fahrenheit Celsius (Centigrade) A temperature converter for Celsius and Fahrenheit.
- How Do I Read a Ruler? Article describes all of those little lines and markings.
- Funbrain.com Measurement game - Game which has several levels of difficulty for both English and metric rulers.
- Measuring Angle and Distance with your Thumb How to use body parts to estimate measurements.
- Apples4theteacher.com Measure the teddy bears game.
- GCSE Maths: Measurement Includes length, area and volume and the use of prefixes in units. With worked examples and animations.
- Metric Conversion Chart Online metric conversion calculator includes metric, US customary and Imperial unit conversions.
- Percent Change Calculator Measures the difference in values using percentages. Includes bar graphs with the answer.
- A Dictionary of Units 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.
- The Number Empire A collection of online calculators, including prime number finder, fraction solver, and solution finder for calculus equations.
- Convert-me.Com Interactive calculators for many common and exotic measurement systems, including metric, Ancient Greek, Roman, and old Russian.
- ImperialToMetric.com Digital Converter Provides help for converting measurement, currency and historical units.
- Metric Conversion Java metric conversion calculator for length, weight, pressure, and volume.
- Unit Conversions Online conversions from physics units to other physics units. Includes a comprehensive set of units with definitions.
- Online Units Conversion 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.
- FormulaConversion.com Offers metric conversion, currency converter search tool and GPA calculator.
- The Ruler Game Timed game will test how quick you can read a ruler.