| centimetre (symbol cm) | metric measure of length. There are 100 centimetres in a metre. about 3/8 inch |
| joule (n) | metric measurement of energy equivalent to the calorie, short hand: J approx. 4.2 Joules per calorie |
| kilogram, kilo (symbol "kg") |
metric measure of weight about 2.2 pounds to a kilo |
| kilometre (symbol "km") |
metric measure of distance about 6/10 miles |
| kW | kilowatt Measurement of electricity (1,000 watts); also the power of an engine, 1 kW= .746 horsepower |
| litre (symbol "l") | metric measure of volume about 1 quart |
| metre (symbol "m") | metric measure of length/distance about 39 inches |
| millimetre (symbol "mm") |
one thousandth of a metre about 1/16th inch |
| Nm | Newton Meter Measurement of torque, U.S. equivalent of foot-pounds (1Nm=.738 ft/lbs.) |
| tonne (adj) | metric ton, 1,000 kilos, 2,200 lbs. |