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You are here: Home > Physics > Metric > Prefixes of the Metric System

Prefixes of the Metric System

2015-01-09 21_56_03-Metric prefix - Wikipedia, the free encyclopedia Pin it! Share on Facebook

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Mnemonic Device:

  • Kings Hate Dragons Because Dragons Can’t Make Money.

Explanation: to remember the Metric prefixes, or the decimal ladder, and base unit (Kilo, Hecto, Deca, Base, Deci, Centi, Milli, Micro).

VARIATIONS:

  • Great Mighty King Henry Died By Drinking Chunky Milk
    • Giga, Mega, Kilo, Hecto, Deca, Base, Deci, Centi, Milli
  • King Henry Died Bloated Drinking Chocolate Milk
  • King Henry Doesn’t March Down Chocolate Mountains
  • Good Models Know How Dunkin Donuts Can Make U Not Petit
    • Giga, Mega, Kilo, Hecto, Deca, Deci, Centi, Milli, Micro (symbol looks like a “U”), Nano, Pico
  • Kittens Hate Dogs But Do Chase Mice
    • Kilo, Hecto, Deca, Base, Deci, Centi, Milli
  • The Great Medieval Killer Hates Dragons, Dragons Cry More Musically, Now Peep.
  • The Great Mighty King Henry Died By Drinking Chunky Milk, Nes Pa?
    • Terra, Giga, Mega, Kilo, Hecto, Deca, Deci, Centi, Milli, Micro (symbol looks like a “U”), Nano, Pico
  • The Great Mighty King Henry Died Monday Drinking Chocolate Milk Under Neath Pier
  • Yawning Zebras Expect Promptness Towards Great Magnanimous Kings; Determined Centaurs Make Messes, Nicely Pushing Feminism At Zebras’ Yearnings.
    • for the prefixes that go from 10^24 -10^-24: Yotta, Zetta, Exa, Peta, Tera, Giga, Mega, Kilo, Deci, Centi, Milli, Micro, Nano, Pico, Femto, Atto, Zepto, Yocto.

 

This is another way to learn the metric system from milli to mega (as opposed to kilo down to milli);

  • Millipedes and Centipedes ate Daisies on U’r Deck, so Hector Killed Many.
    • Millipedes (milli); Centipedes (Centi); Daisies (Deci); U’r (Unit); Deck (Deca); Hector (Hecto); Killed (Kilo); Many (Mega).

 

Information from Wikipedia Metric prefix:

A metric prefix, or SI prefix, is a unit prefix that precedes a basic unit of measure, to indicate a decadic multiple or fraction of the unit. Each prefix has a unique symbol that is prepended to the unit symbol. The prefix kilo-, for example, may be added to gram to indicate multiplication by one thousand; one kilogram is equal to one thousand grams. The prefix centi-, likewise, may be added to metre to indicate division by one hundred; one centimetre is equal to one hundredth of a metre.

Weight: measured in grams, 1kg is one kilogram = 1000 grams ~ approximately 2 lb or 3.3 oz

Length/distance: measured in meters, 1km is one kilometer = 1000 meters ~ approximately 1093 yd

Volume: measured in liters, 1l is one liter = 1000 milliliter or 1000 ml ~ approximately 2.1134 US pt lqd.

 

 

 

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Comments

  1. Mrs J Bradford says
    February 8, 2014 at 1:09 am

    I looked this up as I was helping a student with this topic to see if there were any alternatives to the one I use. I am glad to see that there are, but I still feel that the one I use (invented by a year 7 pupil of mine) works better than all of these: “Killer Hedgehogs Drive (motorbikes/lorries/go-karts/jeeps) down crowded motorways”. The choice of vehicle clearly defines the base required.

    Reply
  2. Joyan says
    February 7, 2017 at 3:18 pm

    Really good
    Well made

    Reply
  3. Heather says
    June 21, 2017 at 6:02 pm

    Tiny Gnomes Make Kind Hearts Do Many Deeds Christmas Morning Under No Pressure

    TxxGxxMxxKHDMDCMxxUxxNxxP

    Many = meter/liter/gram/etc
    U = micro
    x = unidentified prefix

    Reply
    • Heather says
      June 21, 2017 at 6:04 pm

      Or “using” no pressure

      Reply

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