this post was submitted on 31 Mar 2024
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[–] Iron_Lynx 18 points 7 months ago (1 children)

Really though, the most ardent defence of USC units is fuelled by great amounts of Copium. The US Customary set of measurements is several independent systems of measurements which often radically different origins and sometimes irrational conversions, all stacked upon each other and dressed in a trench coat. For instance, the mile has Roman origins while the inch and foot were defined separately, much later, and with a lot of regional variation. The French foot was longer than the English foot, which is why Napoleon was listed as 5'2" tall while he was actually closer to 5'9", or 1.71 m, which was pretty average for the time.

Which one of these is more straightforward to calculate:

  • You are tasked with installing a rail along a 1 mile long bridge. You know you can use two half inch bolts to affix it every three feet. How many bolts do you need?

  • You are tasked with installing a rail along a 1,5 km long bridge. You know you can use two M12 bolts to affix it every metre. How many bolts do you need?

Conversions within dimensions in USC require you to memorise arbitrary conversion numbers. Conversions within dimensions in SI require you to move the comma a few spots.

Besides, if the US Customary system of units is so great, why did most of the world voluntarily switch to SI units?

[–] [email protected] 6 points 7 months ago

Good example with the Bridge, it's exact the point with the USC units, source of fatal errors.

[–] [email protected] 17 points 7 months ago* (last edited 7 months ago) (1 children)

Everything in America except building trades has transitioned to metric already.

Even our imperial units are defined in metric.

But... PLEASE don't tell our citizens. It will all be fine as long as we don't tell them!

[–] groats_survivor 2 points 7 months ago

This is exactly my experience. I've worked for four different manufacturing companies in the Midwest. Three of them were multi billion dollar companies. All four of those companies used metric almost exclusively.

Such a stupid misconception that is constantly reposted

[–] [email protected] 7 points 7 months ago (1 children)

I have to agree 100%. The slavish devotion of small brained regressive idiots to base 12 time keeping has bugged me for fucking ever. Swatch solved this decades ago, but people are too stuck in their "But this is what we've always used" bullshit mindset.

[–] TheRealKuni 2 points 7 months ago

Base 12 is better than base 10. In an alternate universe we use it for everything and it’s a utopia. There is world peace and no one is hungry.

12 is evenly divisible by 2, 3, 4, and 6. 10 is only evenly divisible by 2 and 5.

(Fun fact, Tetris in that alternate universe doesn’t have the stupid Z and S Tetronimos. People are happy there.)

[–] [email protected] 5 points 7 months ago (1 children)

I'm basically forced to know the good way, and the American way.

[–] [email protected] 2 points 7 months ago

Yanks stop trying to claim things as your own.

[–] MossyHabitat 4 points 7 months ago (1 children)

For anything construction-scale, all supplies sold in the US are based on 4x8' sheet goods and 16-24" on-center framing. I also concede that king George the 74th's foot length is more human-scale when dealing with large measurements: 20 feet vs 6096 mm. I still use metric when possible, however - I find it easier and more accurate.

For EVERYTHING else I've switched to using metric.

Context: I grew up in the US using imperial units and only pivoted to the metric system in 2020. If I grew up thinking in metric and building supplies/standards used it, it'd be superior in every way.

TL;DR I like my imperial/metric combo tape measure.

[–] [email protected] 2 points 7 months ago (1 children)

6096 mm does sound really stupid when you could just say 6.096 m.

[–] MossyHabitat 3 points 7 months ago (1 children)

All plans use mm exclusively. Airport blueprints, for example, are in mm. At first blush it seems excessive, but it makes sense from a consistency & accuracy POV - 6.096m takes up 2 more characters than 6096 - they don't even need to specify the units "mm", because it is assumed, and anything else introduces room for error.

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[–] [email protected] 3 points 7 months ago

Metroids itt btfo, malding, fractionally mogged upon.

[–] [email protected] 2 points 7 months ago (2 children)

I’m terrified of driving the day they move the US from miles to kilometers. People go well over the speed limit as it is. I can only imagine how many people would read the kilometer per hour speed limit as miles.

[–] [email protected] 2 points 7 months ago

England still has their speed limits in mph and all road signs are in miles and yards…

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[–] [email protected] 2 points 7 months ago

There are (huge) costs to retooling production to move from imperial to metric. Even if a company wanted to make that move they'd have to transition in phases and will likely end up with additional equipment to maintain. There's also significant training for workers (who will likely commit errors in the beginning) which will impact production. And what happens to the old equipment? I'd guess a significant portion of that would end up getting scrapped and landfilled.

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