TABLE A.1
Metric System Prefixes, Symbol, and Conversion Factors
|
Prefix |
Symbol |
Conversion Factor |
|
Giga |
G |
1,000,000,000 |
|
Mega |
M |
1,000,000 |
|
Kilo |
k |
1,000 |
|
Hecto |
h |
100 |
|
Deca |
da |
10 |
|
1 |
||
|
Deci |
d |
0.1 |
|
Centi |
c |
0.01 |
|
Milli |
m |
0.001 |
|
Micro |
P |
0.000001 |
TABLE A.2
Example of Applying These Prefixes to Length Measured in Meters
|
Prefix |
Symbol |
Conversion Factor |
|
Gigameter |
Gm |
1 Gm = 1,000,000,000 meters |
|
Megameter |
Mm |
1 Mm = 1,000,000 meters |
|
Kilometer |
km |
1 km = 1,000 meters |
|
Hectometer |
hm |
1 hm = 100 meters |
|
Decameter |
dam |
1 dam = 10 meters |
|
Meter |
m |
1 meter |
|
Decimeter |
dm |
1 dm = 0.1 meters |
|
Centimeter |
cm |
1 cm = 0.01 meters |
|
Millimeter |
mm |
1 mm = 0.001 meters |
|
Micrometer |
pm |
1 pm = 0.000001 meters |
TABLE A.3
Common Properties, International System of Units and Abbreviations
|
Property |
SI Units |
Abbreviation |
|
Band gap |
Electron volt |
eV |
|
Concentration |
Moles per liter |
mol/l |
|
Current |
Ampere |
A |
|
Dielectric strength |
Volts per millimeter |
V/mm |
|
Energy |
Joules |
J |
|
Impact resistance |
Joules per meter |
J/m |
|
Irradiance |
Watts per square meter-nanometer |
W/(m2 • nm) |
|
Melt flow index |
Grams per 10 minutes |
g/10 min |
|
Modulus |
Newtons per square meter = pascal |
N/m2 = Pa |
|
Molecular weight |
Grams per mole |
g/mol |
|
Oxygen transmission rate |
Cubic centimeter per square meter per day |
cm3/m2/day |
|
Peel strength |
Newtons per meter |
N/m |
|
Power |
Watts = joules per second |
W = J/s |
|
Strain |
Percent |
% |
|
Stress |
Newtons per square meter |
N/m2 |
|
Temperature |
Kelvin |
K |
|
Thermal conductivity |
Watts per meter-kelvin |
W/(m • K) |
|
Viscosity |
Newton-second per square meter |
(N • s)/m2 |
|
Voltage |
Volts |
V |
|
Volume resistivity |
Ohms-centimeter |
fl • cm |
|
Water vapor transmission rate |
Grams per square meter per day |
g/m2/day |
