Metric Unit Prefixes

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SI Unit Symbol

Exponent

Value

Tera T

1012

1 000 000 000 000
Giga G

109

1 000 000 000
Mega M

106

1 000 000
Kilo k

103

1000
Hecto h

102

100
Deka da

101

10
Meter/Liter M/L

100

1
Deci d

10-1

.1
Centi c

10-2

.01
Milli m

10-3

.001
Micro

µ

10-6

.000001
Nano n

10-9

.000000001
Pico p

10-12

.000000000001
Femto f

10-15

.000000000000001
Atto a

10-18

.000000000000000001