Prefixes

Prefixes

  • 1012 = tera = T
  • 109 = giga = G
  • 106 = mega = M
  • 103 = kilo = k
  • 10-3 = milli = m
  • 10-6 = micro = μ
  • 10-9 = nano = n

Examples :

3 MW = 3 000 000 watts . Note how spaces (NOT commas) are used to make the number more legible.

8 μm = 8 x 10-6 m = 0.000 008 meters