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How do i convert kJ to joules

  1. Jan 17, 2007 #1
    how do i convert kJ to joules since that's the standard unit
    how do i convert mA to amperes
    how do i convert MV to volts
  2. jcsd
  3. Jan 18, 2007 #2


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    Staff: Mentor

    See the "prefixes" section of this entry at wikipedia.org about SI units:


    k = *1000 ("kilo")
    m = 1/1000 ("milli")
    M = *1000000 ("Mega")

    And I like to multiply by 1 to do my unit conversions, like this:

    10mA * (1A/1000mA) = 0.010A


    57kJ * (1000J/1kJ) = 57000J
  4. Jan 18, 2007 #3
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