International System of Units International System of Units

واحدهاي سيستم SI
پيشوندهاي SI عبارتند از:
1 000 000 000 000 = 1012 tera T 1 000 000 000 = 109 giga G 1 000 000 = 106 mega M 1 000 = 103 kilo k 100 = 102 hecto h 10 = 101 deka da 0.1 = 10-1 deci d 0.01 = 10-2 centi c 0.001 = 10-3 milli m 0.000 001 = 10-6 micro 0.000 000 001 = 10-9 nano n 0.000 000 000 001 = 10-12 pico p

منبع: Glossary of Telecommunication Terms-Federal Standard 1037C