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.
Measure the teddy bears game.
CyberSleuth: Units of Measurements Worksheets
Twenty-three printable worksheets for elementary school-aged children. Focuses primarily on conversion of units of length.
Offers metric conversion, currency converter search tool and GPA calculator.
Measurement game - Game which has several levels of difficulty for both English and metric rulers.
GCSE Maths: Measurement
Includes length, area and volume and the use of prefixes in units. With worked examples and animations.
How Do I Read a Ruler?
Article describes all of those little lines and markings.
Features printable worksheets. Includes English and Metric System pages.
Measuring Angle and Distance with your Thumb
How to use body parts to estimate measurements.
Java metric conversion calculator for length, weight, pressure, and volume.
Metric Conversion Chart
Online metric conversion calculator includes metric, US customary and Imperial unit conversions.
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.
Temperature Converter Fahrenheit Celsius (Centigrade)
A temperature converter for Celsius and Fahrenheit.
The Ruler Game
Timed game will test how quick you can read a ruler.
Online conversions from physics units to other physics units. Includes a comprehensive set of units with definitions.