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Conversion Factors and Unit Prefixes
  
Unit Prefixes
Prefix Symbol Notation
yotta Y x 1024
zetta Z x 1021
exa E x 1018
peta P x 1015
tera T x 1012
giga G x 109
mega M x 106
kilo k x 103
Prefix Symbol Notation
milli m x 10-3
micro u x 10-6
nano n x 10-9
pico p x 10-12
femto f x 10-15
atto a x 10-18
zepto z x 10-21
yocto y x 10-24

 Conversion Factors
Unit Symbol Equals
ampere A 1 C/sec
angstrom Å 10-10 m
atmosphere pressure   760 mm Hg
coulomb C 1 A-sec
electron volt eV 1.60 x 10-19 J
farad F 1 C/V
foot ft 0.305 m
gram-calorie   4.186 J
henry H 1 V-sec/A
hertz Hz 1 cycle/sec
inch in 2.54 cm
joule J 107 ergs
1 W-sec
6.25 x 1018 eV
1 N-m
1 C-V
kilogram kg 2.205 lb
kilometer km 0.621 mi
3,280.83 ft
lumen   0.0016 W (at 0.55 um)
lumen per foot2   1 ft-candle (fc)
meter m 39.37 in
micron   10-6 m (um)
mil mil 10-3 in
25 um
mile mi 5,280 ft
1.609 km
newton N 1 kg-m/sec2
0.2248 lb-force
pound lb 453.6 g
tesla T 1 Wb/m2
ton   2,000 lb
volt V 1 W/A
watt W 1 J/sec
weber Wb 1 V-sec
weber per meter2 Wb/m 2 104 gauss
  The symbol for the Greek letter Mu (for micro) has been represented
with a lower case "u" for font set compatibility.
 

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