• Length• Volume• Mass• Temperature• Time• Pressure• Energy• Amount of a

Substance• Luminous Intensity• Electric Current

• Meters (m)• Liters (L)• Kilograms (kg)• Kelvin (K)• Seconds (s)• Pascals (Pa)• Joules (J)• Moles (mol)• Candela (cd)• Ampere (A)

Prefix Symbol Factor Quantity*

Giga G 109 1000000000 Mega M 106 1000000 Kilo k 103 1000 Hecto h 102 100 Deca da 101 10 ** Deci d 10-1 0.1 Centi c 10-2 0.01 Milli m 10-3 0.001 Micro µ 10-6 0.000001 Nano n 10-9 0.000000001

*Quantity in relation to the base unit** Base unit inserted here

Gigameter Meter is a unit of length Giga is a prefix representing a factor of 109

1 Gigameter = 1000000000 meters = 1.0 x 109

USE DIMENSIONAL ANALYSIS!!

Convert 1000 meters to kilometers: 1 kilometer x 1000 (or 1.0 x

103)meters 1 x 103 meters

= 1 kilometer

Convert 10 milligrams to decagrams

10 milligrams x 1 gram x 1 decagram

1000 milligrams 10 grams

= (10/1000)/10 = 0.001 decagrams

Complete metric conversion problems in your note packet.

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SI Prefixes Acronym Contest