• ThePyroPython@lemmy.world
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    1 month ago

    May I present to you, how to measure like a Brit

    Flow chart showing the uses for metric and imperial in the UK

    It’s great fun especially when you’re trying to work out how fuel efficient your car has been when your tank and fuel pump is in litres and the fuel efficiency is in miles per gallon.

    Oh and you’ll have a jolly time following a recipe from more than 20 years ago trying to remember what the hell “Gas Mark 4” is in centigrade for fan or convection ovens.

    Oh and my personal favourite for the industry I’m in: when designing a PCB your component sizes will use imperial codes, your wire diameters will be in AWG, your track widths and PCB dimensions will be in millimetres, but your copper thicknesses will be in ounces despite the final weight for the assembly will be in grams.

    • addie@feddit.uk
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      1 month ago

      Bear in mind that the gallon we use is different from the US gallon, too:

      • a UK gallon is eight (imperial) pints of 20 fluid ounces, so 4.54 litres
      • a US gallon is 231 cubic inches, so 3.79 litres

      The reason that I thought American car fuel economy was so terrible as a child is partly because UK mpg is +20% on US mpg for the same car on the same fuel. But also, because American car fuel economy is so terrible.

    • IrateAnteater@sh.itjust.works
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      1 month ago

      Canada has a similar chart, with some fun modifications. For example, distance could be feet/inches, millimeters/meters/kilometers, or minutes/hours, depending on what you are measuring.

      • IninewCrow@lemmy.ca
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        1 month ago

        As an Indigenous Canadian … when someone asks me where something, someone, some town, some location, the sun or a celestial object is located … I turn my head and point with my lips.

        And my distance measurements are usually answered first by asking ‘why?’ … and if they give an acceptable response, I’ll tell them the distance is either … ‘not far’ … ‘far’ … or ‘very far’

    • Psythik@lemmy.world
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      1 month ago

      Thank you for posting this. So sick and tired of people saying that GB switched to Metric.

      • Overshoot2648@lemm.ee
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        1 month ago

        This! That stupid map that just shows the US and Burma always annoys me. The US customary system includes Metric units. Canada and England still use Imperial/Customary. And “Metric” Is actually like 5 different systems with similar features like ANSI/ISO, KMS/CGS, and the three different pressure measurements.

        Natural units >>> Metric I want an alternative to Metric that uses base 12 units instead.

        • Rivalarrival@lemmy.today
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          1 month ago

          I want an alternative to Metric that uses base 12 units instead.

          Right?! I have been saying that for years! It really pisses me off that we evolved with 5 digits on each hand instead of 6. It’s clear evidence against the the idea of intelligent design.

          • milicent_bystandr@lemm.ee
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            1 month ago

            Cont on finger sections or knuckles, like some cultures do. Gives you 12 on one hand, using the thumb to count.

            Or 16 if you choose your reference points right.

            • Rivalarrival@lemmy.today
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              1 month ago

              But we still have a number system where 10 is the sum of 5+5.

              I want a number system where 10 is the sum of 6+6, and 12 is the sum of 7+7. A number system with two more single-digit numbers: one representing the sum of 6 and 4 as a single digit; and another representing the sum of 6 and 5. A system where 10*10 is 100, and 100 is the product of 6 * 2 * 6 * 2. A number system where 10 is evenly divisible by 2, 3, 4, and 6.

              A metric system developed from that number system would be stunningly gorgeous.

    • HowManyNimons@lemmy.world
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      1 month ago

      It’s because we’re stuck with a bunch of twats who can’t let go of the past. They’ll stick with Imperial measurements, mostly because the word looks like “Imperialist” and that’s the side they want to be on. Jacob Rees-Mogg is a wrought-iron dildo.

    • rockerface 🇺🇦@lemm.ee
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      1 month ago

      Since volume is equivalent to metres cubed and distance is equivalent to metres (both multiplied by some conversion coefficient), I think fuel efficiency should be measured in metres squared, because why not.

    • BluesF@lemmy.world
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      1 month ago

      The only part I disagree with is stone/pounds for people’s weight. Although we use stone, I’ve never heard someone use pounds… Maybe if you’re in Weight Watchers or something, but otherwise it’d be rounded to the nearest half a stone (e.g. 9 and a half stone)

    • bandwidthcrisis@lemmy.world
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      1 month ago

      A similar chart could be made for the US, proving that it does use metric: soda and wine bottles, medicine doses, eye-glasses measurements (in fact most medical things).

      I think that both systems are used in schools now.

      But then I see cooking instructions for a “cup of chicken strips” and a recipe having 1/4 cup of butter, and I wonder why anyone thought that volume was a good idea there.

        • bandwidthcrisis@lemmy.world
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          1 month ago

          True, but that’s just replacing a cup with a length, and rules out using an existing tub.

          Why not use weight, which is easy to measure and tolerant of different forms/shapes?

          • EtherWhack@lemmy.world
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            1 month ago

            Butter in a tub usually isn’t pure butter as they add oil to it to make it spreadable when cold.

            Recipes that call for butter are normally designed for true/pure butter and may not cook or bake properly if spreadable stuff is used. (there is however Amish rolled butter that’s sold in big ‘loaves’ where measuring can be annoying)

          • Rivalarrival@lemmy.today
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            1 month ago

            Weight requires a scale. I don’t know a single American who has a scale in their kitchen.

    • marcos@lemmy.world
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      1 month ago

      your track widths and PCB dimensions will be in millimetres

      Not milli-inches? Is this a UK thing or have PCB design evolve since I last touched it?

      Anyway, milli-inches is one of the funniest unities I’ve used.

    • then_three_more@lemmy.world
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      1 month ago

      Short distances should be meters, feet, inches, millimetres.

      None of that fractions of an inch bollocks.

      And milk is often actually in litres and half litres, we just assume it’s in pints. Clever little bit of shrinkflation.

      • dejected_warp_core@lemmy.world
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        1 month ago

        Short distances should be meters, feet, inches, millimetres.

        American machinists go a different way altogether: thousandths of an inch. So no binary fractions, but still imperial-ish. :/

        And milk is often actually in litres and half litres, we just assume it’s in pints.

        That one makes sense.

    • Aceticon@lemmy.dbzer0.com
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      1 month ago

      There’s also a difference between imperial miles and nautical miles, though I’m not sure if British long distance ships use nautical miles or not.

    • Churbleyimyam@lemm.ee
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      1 month ago

      Yes. Calculating how much a car journey is going to cost is such a chore. Trip in miles ÷ mpg × 4.5 × £/litre of fuel = cost.

      • GreatAlbatross@feddit.uk
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        1 month ago

        I just assume I’ll do 45.45 MPG, then I’m pleasantly surprised when the fuel bill is lower than expected.

    • ikidd@lemmy.world
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      1 month ago

      You forgot that inside temperature is in Fahrenheit, outside is in Celcius.

  • The Quuuuuill@slrpnk.net
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    1 month ago

    these MFs convey weight in whatever the fuck “stone” is. don’t let them shame you for not using liters

  • kameecoding@lemmy.world
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    1 month ago

    Invents the word Soccer, calls americans dumb for using it.

    (TBF it’s dumb, especially since you call hand egg football, sry americans)

  • Lad@reddthat.com
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    1 month ago

    Everything the UK has done throughout history was just for the banter. We’re not a serious people.

    • Hossenfeffer@feddit.uk
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      1 month ago

      True dat. You wouldn’t believe the crazy, flavourful food we eat behind closed doors. We save the bland beige-on-toast for when foreigners are around.

  • KSP Atlas@sopuli.xyz
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    1 month ago

    The UK sorta tried switching to metric but didn’t do it completely and now has a weird system where the system you use depends on the situation I hate it

    • moopet@lemmy.dbzer0.com
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      1 month ago

      The US does it too, the other way around. They use fractions for a lot of things (3/8", half a foot, etc.) and then switch in decimals (like “2.5 inches”) when they think you’re not looking. Except for bullets for some reason which are in mm.

    • GreatAlbatross@feddit.uk
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      1 month ago

      I end up doing a lot of lazy maths, and remembering rough numbers.

      45MPG? That’s about 10 miles per litre.
      8 inches? Eh, 20cm.

      Anything remotely technical, I convert everything to metric (and actually take the time do accurately).
      Having the inch-fractions to mm table on the back of a ruler is very useful when using old drill bits and spanners.

  • LostXOR@fedia.io
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    1 month ago

    As an American, I use the metric system whenever possible. As of more recently, it’s usually taught in schools, as well as used ubiquitously in science. I wouldn’t be surprised if the US switches to primarily using the metric system in the next few decades.

    • snooggums@lemmy.world
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      1 month ago

      Nah, we have already reached the point of being a mix depending on tradition. We have been bottling soda in 20oz bottles and 2 liter bottles for decades and changing all the speed limit signs would cost too much to gain any traction. Just a confusing mix of whatever!

    • NaibofTabr@infosec.pub
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      1 month ago

      Technically US customary units were re-defined as specific values of their equivalent metric units (for instance, 1 inch === 25.4 mm), so you are using the metric system regardless, but with weird conversion factors.

      The majority of U.S. customary units were redefined in terms of the meter and kilogram with the Mendenhall Order of 1893 and, in practice, for many years before. These definitions were refined by the international yard and pound agreement of 1959.

      https://en.wikipedia.org/wiki/United_States_customary_units

    • ironhydroxide@sh.itjust.works
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      1 month ago

      Maybe a decade of decades. But it’ll eventually get there.

      There’s too much infrastructure based on even units in imperial that would “turn into” a partial digit if forced to stay the same.

      Example. 1/2"wrench would be the same as a 12.7mm wrench. And a 1/2-13 bolt would be a M12.7x1.9532 bolt.

      That stupid conversion makes no sense, so we just use both. Eventually as we replace imperial infrastructure with metric, we’ll use more and more metric, and less imperial. Until eventually it’s all metric. Though a common structural lumber will likely still be called a “2 by 4” even though it’s measurements would theoretically be 35mm X 85mm. And nobody will remember why.

      • LostXOR@fedia.io
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        1 month ago

        Yeah, 2x4s aren’t even 2"x4" anymore, more like 1.5"x3.5", but the name has still stuck.

        • nublug@lemmy.blahaj.zone
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          1 month ago

          that has nothing to do with metric vs imperial:

          “Lumber manufacturers typically cut a tree into the various standard types of dimensional lumber very shortly after the tree is felled. At this point, the 2 x 4 is actually 2 inches x 4 inches, a 2 x 10 is actually 2 inches x 10 inches, etc. But then the newly-sawn (but soaking wet) lumber is then kiln-dried until it reaches the desired moisture level. During this process, it shrinks as the moisture in the wood is removed and the wood cells shrink. Once the drying is complete, the boards are then planed to a standard size. Hence, what started out as a 2 x 4 now measures 1 1/2 inches x 3 1/2 inches.”

          https://www.thesprucecrafts.com/why-isnt-a-2x4-a-2x4-3970461

          • GreatAlbatross@feddit.uk
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            1 month ago

            And you sometimes get people ordering lumber for the first time giving bad reviews because they feel they’ve been cheated out of some wood.

          • LostXOR@fedia.io
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            1 month ago

            Yep, just an example of how names don’t necessarily correspond to the actual dimensions.

        • ironhydroxide@sh.itjust.works
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          1 month ago

          Other than that leaves a huge market for SAE spec bolts for use in maintaining the already imperial equipment. As it’s more cost effective to repair up to a point. So some company WILL produce those bolts.

          Which is why we’re here with both types of units, and why it’ll be 100+yrs before imperial actually dies.

    • tiredofsametab@fedia.io
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      1 month ago

      I was taught it in rural Ohio in the '80s, but it was never used outside of science in any meaningful way. Now live in metric land where things make so much more sense.

  • Admiral Patrick@dubvee.org
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    1 month ago

    Someone: Ugh, the recipe is in grams, and I need it in ounces.

    Me: Just divide by 28

    Them: How’d you know that?

    Me: …👀

    • Zip2@feddit.uk
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      That’s fine, it’s the insistence that “cups” is a measurement that pisses me off.

      Especially when you have oz, fl oz and cups in one recipe. Sort it the fuck out and just use grams.

      • AnyOldName3@lemmy.world
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        Cups can be a nightmare in the UK as it’s usually US cups, but sometimes it’s metric cups (which are just 250ml, so an entirely redundant measurement in the first place), and recipes rarely say which, and if you buy measuring cups, they’ll rarely say which type they are, but more commonly be metric ones, despite those being the least likely that a recipe would use.

        • addie@feddit.uk
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          Ah yes. I remember preparing a recipe once that included frying up the ingredients in a cup of oil, and that turns out seriously fucking greasy if you use the UK cup size.

  • AllNewTypeFace@leminal.space
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    1 month ago

    For decades, Britain has had campaigners against metric (or the “Napoleonic system” as some of them call it), who were generally on the populist right. There was a grocer who refused to display prices in metric measurements and, when he was fined, refused to pay and was sent to gaol; the tabloids called him the “Metric Martyr”, and lionised him as a hero alongside those who vandalise speed cameras. One of the promises of the Brexit campaign was to abolish the metric system and go back to imperial measures, though after they won, they realised that the imperial measurements have been legally defined in reference to SI units for decades, and establishing a new basis for measurement would be far too expensive and disruptive to do just to placate a bunch of pub bores and opinionated van drivers, so they dropped it.

    So Britain has a mixed system (beer and milk are measured in pints, and road distances/speeds in miles, but most other things are metric), only the fluid ounce, which is 1/20 of a pint, is legally defined as 28.4ml or so. Even worse, road distances given in yards (each being around 0.9 of a metre) are actually in metres, going on the assumption that the average person can’t tell the difference. Of course, they can’t call them metres, as there’d be irate letters to The Times and questions in Parliament.

    • HowManyNimons@lemmy.world
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      1 month ago

      Oh Jesus. Imagine what Nigel Farage would say if he overheard me giving the measurements of my curtains in centimeters. He’d have me catapulted to Rwanda.

    • thehatfox@lemmy.world
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      There were some polls asking why people voted for Brexit. Not only where there respondents wanting imperial measurements, there was even a small but significant group that wanted the return of pre-decimal currency, which was abolished in 1971.

      For those not familiar with the UK’s old currency, it used to be 12 pence in a shilling, and 20 shillings in a pound, and with a variety of coins representing odd combinations of those.

    • SubArcticTundra@lemmy.ml
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      1 month ago

      Wait, the yard distances were metres all along!? I could have used the time spent learning my 0.9 times tables for better things!

    • GreatAlbatross@feddit.uk
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      1 month ago

      imperial measurements have been legally defined in reference to SI units for decades

      This is the important bit.
      Effectively, we are metric, but display things using the old units sometimes.

  • Zip2@feddit.uk
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    It’s always worth bringing this out again at times like these, while the US trots out the same old excuses for their lack of progress that every other country that used to have old measurements has made.

    “It’s fine”.

    • TheEmpireStrikesDak@thelemmy.club
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      I’ve seen people (ie USers) say that imperial makes more sense because it’s easily divisible by 2, 3, 4 and 6 so it’s more intuitive. Yet I’ve never seen any of these people campaign to ditch their base 100 currency for a more “intuitive” £ s d style system. You already use decimal currency and find it easier than a system where 240¢ makes $1.

  • Honytawk@lemmy.zip
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    1 month ago

    I thought you guys were independent?

    Why do you need a former master to tell you to switch?