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Measurement

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.

Sites in Measurement

Convert-me.Com
Interactive calculators for many common and exotic measurement systems, including metric, Ancient Greek, Roman, and old Russian.
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.
Metric Conversion
Java metric conversion calculator for length, weight, pressure, and volume.
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.
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.
Metric Conversion Tables
Conversion factors and online calculators for metric and imperial units.
The Modern Metric System
Dictionary of metric units explaining the principles and history of the system.
Temperature Converter Fahrenheit Celsius (Centigrade)
A temperature converter for Celsius and Fahrenheit.
Unit Conversions
Online conversions from physics units to other physics units. Includes a comprehensive set of units with definitions.
Metric Conversion Tutorial
Step-by-step, interactive tutorial for converting metric units.
FAQ: How do I read a ruler?
Instructions on how to use metric and English rulers.
Funbrain.com
Measurement game - Game which has several levels of difficulty for both English and metric rulers.
How To Read A Ruler
Article describes all of those little lines and markings.
Jack's Math
Provides several methods for determining length, width and height.
Measuring Angle and Distance with your Thumb
How to use body parts to estimate measurements.
Origins of Measurements
Compares units of ancient times with modern ones.
The Ruler Game
Timed game will test how quick you can read a ruler.
Metric Measures
Offers equivalents for common measurements, plus how metric units are used in sports and the kitchen.
Apples4theteacher.com
Measure the teddy bears game.

cross references

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