Quantity Base Unit Symbol

Quantity

Base Unit

Symbol

Length( meter stick-metric ruler)

meter

m

Mass (balance)

kilogram

kg

Time ( stop watch)

second

s

Temperature( thermometer)

Kelvin

K

Volume( graduated cylinder, Liter or metric ruler- )

L

Amount of a substance ( mass- then make calculations)

mol

Mole

Prefix

Unit Abbr.

Means

Giga-

G

Mega-

M

Kilo-

k

1 000 000 000 1 000 000 1000

Hecto-

h

100

Deka-

da

10

Deci-

d

Centi-

c

Milli-

m

Micro-



.1 .01 .001 .000001

Nano-

n

.000000001