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Why the USA uses a different metric system?

Honestly, I don’t know. Everything here is different from the rest of the world. Everything. Do they get any benefit from it? I don’t think so. Let’s see what’s different. USA version on the left, almost everyone else on the right (with due exceptions like South Korea).

  • 110V vs 220V
  • Mile vs Kilometer
  • Pound vs Kilo
  • Gallon vs Liter
  • Letter vs A4
  • Inches vs Centimeters
  • Feet vs Meters

I’m probably forgetting something but I’ll update it as I cross against them.


12 Responses to “Why the USA uses a different metric system?”

  1. Bruno Figueiredo
    Published at August 26th, 2007 at 10:31 pm

    Ounces vs grams. And it’s more yards vs meters, feet is more vs half a meter. At least they drive on the right side of the road.

  2. JAntunes
    Published at August 26th, 2007 at 10:41 pm

    And then mistakes like these happen:

    http://www.cnn.com/TECH/space/9909/30/mars.metric.02/

  3. Diogo
    Published at August 26th, 2007 at 11:06 pm

    Nothing like reading from the “source”
    wikipedia on US customary units

    After all, due to our English pals most of the world doesn’t use SI units…

  4. Gustavo Felisberto
    Published at August 26th, 2007 at 11:07 pm

    There is just one metric system (the meter in the name etc etc). You probably wanted to say a measurement system.

    And I get you another: Centigrade VS Fahrenheit.

  5. Luisão
    Published at August 27th, 2007 at 1:17 am

    it’s simple we just have to look back to history… they inherited it from england. the voltage is another story, i was told once in Staines: during last WW, in order to complicate life to germans, in case they where invaded, they made up a different voltage value from the rest of europe… that’s what i was told :)

  6. Luís Miguel Silva
    Published at August 27th, 2007 at 1:30 am

    It’s all Britain’s fault! :o)

  7. Tiago Pinto
    Published at August 27th, 2007 at 2:11 am

    Hi!

    What about 12-hour clock vs. 24-hour clock? Probably, this is the one that annoys me the most: I think it wasn’t inherited from England and I don’t see a reason for this notation.

    About Letter vs. A4, personally I think its easier to read documents (and magazines) in Letter format (or near its dimensions/proportions). E.g. I love MAKE: magazine’s size.

  8. João Serra
    Published at August 27th, 2007 at 2:52 am

    - SDH vs. sonet(the “world” uses SDH in fiber optic links USA use sonet)
    - How about GSM vs. CDMA

  9. Pedro Queirós
    Published at August 27th, 2007 at 5:59 am

    Two more:
    - what day is this: 9/1/2007? Here is a hit: it is not January…
    - what about cooking? “Please add a cup of water”. http://www.google.com/search?q=cup+to+liter

  10. Bruno Figueiredo
    Published at August 27th, 2007 at 7:37 am

    Diogo said: “After all, due to our English pals most of the world doesn’t use SI units…”.

    No, actually, only 3 countries in the world haven’t yet adopted SI: the US, Liberia (which was founded by US slaves that were freed) and Myanmar.

  11. Levi Figueira
    Published at September 11th, 2007 at 3:37 am

    Somewhat late post, but I was “gone” from the feeds for a while! ;)

    Anyway, now that I’m in the US, I was actually discussing this issue today with my coworker designer here at work, as we use millimeters for the printing measurements, and he does agree that using the metric system across all areas of life would be a whole lot more accurate and useful…

    And we’ve been joking about this: “At least we drive in the RIGHT side of the road” ;) hehehe

    PS: As a matter fact I’m looking for a 110V>220V converter for my wireless mouse’s charger (never thought a latest generation Logitech MX Revolution would come with a 220V ONLY charger… ARGH). Do ya think Walmart has them?? (online website search didn’t help…)

  12. mlopes
    Published at September 11th, 2007 at 7:51 am

    Wal-Mart has everything :-)