1000m |
10n |
سابقہ
|
علامت
|
بعد از [1] |
چھوٹا پیمانہ
|
بڑا پیمانہ
|
اعشاریہ
|
---|
10008 |
1024 |
ثمان
|
Y
|
1991
|
سبعلین
|
اربعلین
|
1 000 000 000 000 000 000 000 000
|
10007 |
1021 |
سبع
|
Z
|
1991
|
ستلین
|
Trilliard
|
1 000 000 000 000 000 000 000
|
10006 |
1018 |
شش
|
E
|
1975
|
خمسلین
|
Trillion
|
1 000 000 000 000 000 000
|
10005 |
1015 |
خمس
|
P
|
1975
|
اربعلین
|
Billiard
|
1 000 000 000 000 000
|
10004 |
1012 |
اربع
|
T
|
1960
|
Trillion
|
دوملین
|
1 000 000 000 000
|
10003 |
109 |
giga
|
G
|
1960
|
Billion
|
ارب
|
1 000 000 000
|
10002 |
106 |
mega
|
M
|
1960
|
Million
|
1 000 000
|
10001 |
103 |
kilo
|
k
|
1795
|
Thousand
|
1 000
|
10002/3 |
102 |
hecto
|
h
|
1795
|
Hundred
|
100
|
10001/3 |
101 |
deca
|
da
|
1795
|
Ten
|
10
|
10000 |
100 |
(none)
|
(none)
|
NA
|
One
|
1
|
1000−1/3 |
10−1 |
deci
|
d
|
1795
|
Tenth
|
0.1
|
1000−2/3 |
10−2 |
centi
|
c
|
1795
|
Hundredth
|
0.01
|
1000−1 |
10−3 |
milli
|
m
|
1795
|
Thousandth
|
0.001
|
1000−2 |
10−6 |
micro
|
µ
|
1960[2] |
Millionth
|
0.000 001
|
1000−3 |
10−9 |
nano
|
n
|
1960
|
Billionth
|
Milliardth
|
0.000 000 001
|
1000−4 |
10−12 |
pico
|
p
|
1960
|
Trillionth
|
Billionth
|
0.000 000 000 001
|
1000−5 |
10−15 |
femto
|
f
|
1964
|
Quadrillionth
|
Billiardth
|
0.000 000 000 000 001
|
1000−6 |
10−18 |
atto
|
a
|
1964
|
Quintillionth
|
Trillionth
|
0.000 000 000 000 000 001
|
1000−7 |
10−21 |
zepto
|
z
|
1991
|
Sextillionth
|
Trilliardth
|
0.000 000 000 000 000 000 001
|
1000−8 |
10−24 |
yocto
|
y
|
1991
|
Septillionth
|
Quadrillionth
|
0.000 000 000 000 000 000 000 001
|
- The metric system was introduced in 1795 with six prefixes. The other dates relate to recognition by a resolution of the CGPM .
- The 1948 recognition of the مائکرون by the CGPM was abrogated in 1967.
|