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Why is the USA the only country that doesn’t use the metric system? (lemmy.ml)
submitted 1 month ago* by to c/asklemmy@lemmy.ml
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[–] 5 points 1 month ago (6 children)

The actual answer is it's too expensive to convert everything at this point. If it takes months to get a pothole filled, good luck with changing all the sighs even as a start. A lot of people use metric anyway. SAE tools can go where the sun don't shine. Fuck your fractions. Give me a 10 or a 12 or a 17 (mm, stay away Jeffrey) makes more sense than 13/32" ... just why, it's so dumb.

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  • [–] 7 points 1 month ago (5 children)

    SAE tools for SAE hardware. I agree, saying something like "gimme a 7/16 wrench for this 1/4-20 by 3/8 bolt" is probably like speaking a foreign language to someone accustomed to metric. But you get used to it if you see it every day.

    Now metric measurements of wire are fucking ridiculous in my eye. AWG (American wire gauge) all day. The metric equivalent measures the diameter of the wire and calls it like 1 mm2 for 18 awg, 1.5 for 16, 2.5 for 14, 4 for 12 awg etc. AWG keeps it nice and easy, every other even number starting at like 32 down to 2.

    It does get a little fucky from there tho lol. Like then it goes 1 and 0 AWG, then 1/0, 2/0, 3/0, 4/0 (pronounced like 1 awwt), then 250, 500, 750, 1000 MCM. But I've also heard those sizes of 250-1000 called KCMIL instead for.... reasons....

    It's like most of our measurements. It's what "feels" right if that makes any sense. Fahrenheit is more accurate to what changes are noticeable to the human body, a foot or a yard just paints a way better picture than half a meter etc. I'm sure most of it is based off like farmers or something rather than scientific measurements.

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  • [–] 3 points 1 month ago* (4 children)

    Yeah you make a proper point; most of the stuff the hardware I work with is metric, the wiring is awg, and the temps are Fahrenheit. Honestly other than a 1/4" and 3/8" spark plug socket, I don't remember the last time I used any of my anything out of my box wrench sets. They basically are wall ornaments that collect dust. Same with range, I would just use meters since they're close enough. You know like, target out 300 meters leading left.

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  • [–] 2 points 1 month ago* (3 children)

    We bend raw copper and aluminum busbars at work for manufacturing industrial electrical systems. All standard hardware. Plus whatever else goes into it like insulated supports, polyballs, mounting hardware of components on panels, etc. So I'm probably one of the rare exceptions that use SAE more than metric, especially how pretty much every car (even American made ones) use metric now. Other than maybe changing a bolt for an old lawnmower or something, yeah I get why it's not really used much anymore.

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  • [–] 1 point 1 month ago (2 children)

    Yeah I think an old Briggs and Stratton engine was the only time time I remember using SAE. I mean I still use SAE [Tap] die sets but the irony is the nut outer is metric.

    It's funny how often I have to repeat myself; as in you need 3/8 brass pipe or 1/2 brass pipe, no not 3/8 compression or flared. I work on high end espresso machines these days, like 20-40k ones.

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  • [–] 4 points 1 month ago (1 child)

    3/8 is such a cursed measurement lol. Like this 3/8 wrench fits a #10 hex head screw. No it doesn't fit 3/8 hardware. You want 9/16 for that. Oh 9/16 hardware? You can use either 7/8 or 13/16. Or just grab a metric wrench that's close enough like a 7/16 is the same thing as an 11mm or 3/4 is the same as 19mm. Not gonna lie at certain point it's just memorizing shit and pattern recognition

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