Table A.1. Overview of SI Units.
Units
Symbol
Base units
m
meter
length
kg
kilogram
mass
s
second
time
K
kelvin
temperature*
A
ampere
electrical current
cd
candela
luminous intensity
mol
mole
amount of material
Derived units
Supplementary units
angles in the plane
radian
rad
solid angles
steradian
sr
*Use degrees Celsius (-C), which has a more common usage than kelvin.
Table A.2. Relationship of Mass and Weight.
Weight or
Mass
Force of
Force
Gravity
English
slug
pound
pound
pound-mass
pound-force
pound-force
metric
kilogram
newton
newton
A.2
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