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Term Symbol Multiple Sci Notn
Units Eg. meters 1
kilo k 1 000
milli m 1 / 1 000
Mega M 1 000 000
Giga G 1 000 000 000
Terra T 1 000 000 000 000
micro μ 1 / 1 000 000
nano n 1 / 1 000 000 000
pico p 1 / 1000 000 000 000
x 100 x 103
x 106 x 109 x 1012
x 10-3 x 10-6 x 10-9
x 10-12
Scientific Notation
A way of making large numbers more manageable
100,000 Volts
Kilo-Volts
We divide the number by 1000100,000 1000 =
100 kV
Mega-Volts
We divide the number by 1000100 1000 =
0.1 MV
A way of making large numbers more manageable
1,245,000 Volts
Kilo-Volts
We divide the number by 10001,245,000 1000
=
1,245 kV
Mega-Volts
We divide the number by 10001,245 1000 =
1.245 MV
A way of making Small numbers more manageable
0.000,001 Volts
milli-Volts
We multiply the number by 10000.000,001 x 1000 =
0.001 mV
micro-Volts
We multiply the number by 10000.001 x 1000 =
1 µV
A way of making Small numbers more manageable
0.000,258,1 Volts
milli-Volts
We multiply the number by 10000.000,258,1 x 1000 =
0.258,1 mV
micro-Volts
We multiply the number by 10000.258,1 x 1000 =
258.1 µV
If we want to convert back to a base unit
1,245,000 µV
mV
We divide the number by 10001,245,000 1000
=
1,245 mV
V
We divide the number by 10001,245 1000 =
1.245 V
If we want to convert back to a base unit
1.25 MV
kV
We multiply the number by 10001.25 x 1000 =
1,250 kV
Volts
We multiply the number by 10001,250 x 1000 =
1,250,000 V
If we want to convert a number to a multiple above
µV
mV
We divide the number by 1000
1.25 1000 =
1.25 µV
0.001,25 mV
If we want to convert a number to a multiple below
mV
V
We multiply the number by 1000
1.25 x 1000 =
1.25 V
1,250 mV