Metric Prefixes

The metric system has prefix modifiers that are multiples of 10.

Prefix Symbol Factor Number Factor Word
TeraT1,000,000,000,000Trillion
GigaG1,000,000,000Billion
MegaM1,000,000Million
Kilok1,000Thousand
Hectoh100Hundred
Decada10Ten
Decid0.1Tenth
Centic0.01Hundredth
Millim0.001Thousandth
Microu0.000001Millionth
Nanon0.000000001Billionth
Picop0.000000000001Trillionth






Metric Symbols