Basics

Scientific Notation

(Powers of 10)

10 =	101
100=	10 10 = 102
1000 =	10 10 10 = 103

1/10 = 10^-1

1/10²= 1/100 = 10^-2

1 kilometer	= 103 m
1 millimeter	= 10-3 m
1 centimeter	= 10-2 m

Fundamental Quantities

Fundamental Units

length		meter	[m]
time		second	[s]
mass		kilogram	[kg]
electric current		Ampere	[A]
temperature		Kelvin	[K]
intensity of light		Candela	[cd]

We use the

SI UNITS

ALL other units can be derived from these units.

For solving problems:

Some Help: Train Track Methods for Unit Converstions