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Measurement & Units
Prefix for the International System of measurements and units (SI)
| Name |
Symbol |
Unit
multiplication factor |
|
yotta |
Y |
1024 = 1 000 000 000 000 000 000
000 000 |
|
zetta |
Z |
1021
= 1 000 000 000 000 000 000 000 |
|
exa |
E |
1018 = 1 000 000 000 000 000 000 |
|
peta |
P |
1015 = 1 000 000 000 000 000 |
|
tera |
T |
1012 = 1 000 000 000 000 |
|
giga |
G |
109
= 1 000 000 000 |
|
mega |
M |
106
= 1 000 000 |
|
quilo |
k |
10³
= 1 000 |
|
hecto |
h |
10²
= 100 |
|
deca |
da |
10 |
|
deci |
d |
10-1
= 0.1 |
|
centi |
c |
10-2
= 0.01 |
|
mili |
m |
10-3
= 0.001 |
|
micro |
µ |
10-6
= 0.000 001 |
|
nano |
n |
10-9
= 0.000 000 001 |
|
pico |
p |
10-12 = 0.000 000 000 001 |
|
femto |
f |
10-15 = 0.000 000 000 000 001 |
|
atto |
a |
10-18
= 0.000 000 000 000 000 001 |
|
zepto |
z |
10-21 = 0.000 000 000 000 000 000
001 |
|
yocto |
y |
10-24 = 0.000 000 000 000 000 000
000 001 |
Source: INMETRO (Brazil)
Length Conversion Factors
1 meter = 39.37 inches = 3.281 feet
1 sea mile = 1852 meters
1 land mile = 1609 meters
1 inche = 2.54 cm
1 foot = 30.47 cm
Temperature Conversion Factors
Kelvin degree (K) = 273.1 + Celsius degree
Fahrenheit degree = 32 + (9/5) Celsius degree
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