Multipliers.

The Metric system.

All measurements are based on a unit, and a multiplier, like those above.

Example - for distance we use a measure called the meter, and thats the only unit of distance we need to remember. There is no inches, feet, yards, miles, etc, etc. Just one unit called the meter. We also use a multiplier, so we call 1000 meters a KiloMeter, or 1/1000 of a meter is a MilliMeter. Easy.

Another easy one to remember is Centigrade as a measurement of temperature. Water freezes at 0 degrees, and boils at 100 degrees. Body temperature is about 32 degrees C.

Some common conversions

For more conversions, visit http://www.simetric.co.uk/si_c.htm