this post was submitted on 11 Dec 2023

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772

inches plus coins equals metric system (lemmy.world)

submitted 10 months ago by TheOneWithTheHair@lemmy.world to c/lemmyshitpost@lemmy.world

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[–] Jeeve65@ttrpg.network 69 points 10 months ago

7/16" - 10ct = 10mm

[–] dylanTheDeveloper@lemmy.world 38 points 10 months ago (4 children)

Fractional inches can suck my nuts.

[–] Peppycito@sh.itjust.works 17 points 10 months ago (7 children)

Decimal inches can lick my ass.

Fractional metric can wear a skirt and give me a reach around 😍

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[–] papalonian@lemmy.world 15 points 10 months ago

Are they really that small?

[–] Theharpyeagle@lemmy.world 7 points 10 months ago* (last edited 10 months ago) (2 children)

Yeah, honestly I'm usually so tired of the imperial VS metric debate (I know metric is better and I wish the US used it, it's just a low priority), but drill bit sizes are so stupid.

"Yeah gimme that 15/64ths bit" unhinged behavior.

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[–] cryptosporidium140@lemmy.world 38 points 10 months ago (2 children)

11.1125 mm - 1.35 mm = 9.7625 mm

Sorry, I couldn't resist

[–] JCreazy@midwest.social 11 points 10 months ago

Now do it with a nickel

[–] Peppycito@sh.itjust.works 4 points 10 months ago

9-381/500mm

Fractional metric master race 😎

[–] Marzanna@lemmy.blahaj.zone 27 points 10 months ago (6 children)

Physics is also important. Coins are usually made of softer metal so a wrench can crush it if a bolt is too tight.

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[–] Crow@lemmy.world 26 points 10 months ago (12 children)

The damn imperial system and its weird 1/16 measurements. Why do you people hate 10 step counting?

[–] Saik0Shinigami@lemmy.saik0.com 32 points 10 months ago (1 children)

You actually can't be mad about this one. This is effectively binary which you use all the time without knowing it. And even worse, proper SI notation has jacked up binary hardcore.

1, 1/2, 1/4, 1/8, 1/16, 1/32... You won't find a 1/12 or some other number.

[–] Resol@lemmy.world 7 points 10 months ago (6 children)

Maybe that's why I couldn't tell if a gigabyte has 1000 megabytes or 1024. People keep telling me one or the other. Others keep telling me that there's 1024 mebibytes in 1 gibibyte, but those names absolutely suck.

[–] Rinox@feddit.it 9 points 10 months ago* (last edited 10 months ago) (2 children)

Mega is 10^6 , Mebi is 2^20 aka 1024^2 bytes

Edit:

The confusion comes from the fact that Microsoft in Windows calls 1024 bytes a kilobyte, which makes no sense whatsoever, since that word has a meaning and that ain't it.

When MS first launched MS-DOS maybe made sense (maybe), but right now it's only creating confusion. Calling kilobyte a kibibyte is around a 2% error, but with terabyte it's more than 9%, which is a pretty big deal when you buy a 1TB disk and only shows up as 900 and something GB

[–] Saik0Shinigami@lemmy.saik0.com 7 points 10 months ago (2 children)

The confusion comes from the fact that Microsoft in Windows calls 1024 bytes a kilobyte

And storage... and networking... This isn't actually a MS spawned problem, and it existed in media before MS put their hands in it. But it is probably fair to say that MS emboldened storage and networking companies to not change their stance. It doesn't help that it's in their benefit as they're providing actually less product because of the confusion.

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[–] TeenieBopper@lemmy.world 16 points 10 months ago* (last edited 10 months ago) (6 children)

10 isn't the best base and I'm sick of pretending it is.

[–] Rinox@feddit.it 10 points 10 months ago (4 children)

Depends for what. Still better than random scales like 3, 12, 1760 and units that don't mean anything like hundredweight, which isn't even one hundred anything, unless it is because you live in another part of the world where the same word means a totally different thing.

Fancy a pint?

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[–] DJKayDawg@lemmy.world 7 points 10 months ago (8 children)

I would pick base 12. Which would you prefer?

[–] TeenieBopper@lemmy.world 8 points 10 months ago

Base 12 crew represent.

[–] Daxtron2@startrek.website 6 points 10 months ago (5 children)

base 60 Babylonian gang where you at

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[–] EatYouWell@lemmy.world 5 points 10 months ago

Base 60

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[–] Dudewitbow@lemmy.zip 10 points 10 months ago (1 children)

Because a lot of imperial measurements revolved around being able to be divided by 4, and occasionally 3 at times.

For instance the cooking unit of measurments are in 4's or base 2 in a way (e.g 1 gallon = 4 quarts = 8 pints = 16 cups = 128 ounces)

We still see 4s or 3s irl regardless of measurement system. Doughnuts are often prepared in dozens and virtually never in 10s. Do we walk around claiming why bakers hate 10 step counting?

Time is the example of something designed around 3/4 and didn't change. 60 is divisiable by both 4 (15) and 3 (20) and is not base 10, but people can accept that.

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[–] ForgotAboutDre@lemmy.world 9 points 10 months ago

Using 12 and 16 makes for easier maths (pre-calculators). It's easier to divide and get an integer. With easy access to calculators and highly precise measurements (especially digital systems) metric makes more sense and is easier to interpret quickly.

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[–] Mr_Blott@lemmy.world 14 points 10 months ago (4 children)

Why *metric is important

Ten mil spanner is fuckin ten mil spanner and you have three in your toolbox and only someone who was starved of oxygen at birth uses imperial spanners wtf is this 🥲

[–] jubilationtcornpone@sh.itjust.works 14 points 10 months ago

Car manufacturers in the US like to throw metric and SAE at you. Just to keep you on your toes I guess. Ironically, it's always the wrench you DIDN'T bring with you.

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[–] HelixDab2@lemm.ee 10 points 10 months ago (4 children)

10mm is also .40'.

...Which I know because 10mm auto is the parent cartridge of .40S&W, which was just cut down to be shorter, but still uses the same projectiles.

[–] Peppycito@sh.itjust.works 15 points 10 months ago (1 children)

I expect you mean .40 inches but you have abbreviated .40 feet which is more like 61/500m

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[–] SkyeHarith@lemmy.world 10 points 10 months ago (3 children)

Can I be that person???

AkShUaLlY An inch is not PrEcIsElY 2.5 cm but is /defined/ to be 2.54 ish cm so 0.4” is in ReAlItY 10.6 mm.

Ok im sorry. I’ll show myself out.

[–] captain_aggravated@sh.itjust.works 9 points 10 months ago (1 children)

I believe the modern definition of the inch is precisely 25.4mm. Which makes all the Freedom units also metric.

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[–] Perhapsjustsniffit@lemmy.world 5 points 10 months ago

I know this cause guns. How imperial of you.

[–] Amends1782@lemmy.ca 4 points 10 months ago

.40 short & wimpy

[–] Sharpiemarker@feddit.de 10 points 10 months ago (3 children)

No one going to mention that it's a Philips head screw as well? So not only could they have used a metric wrench but also a screwdriver.

[–] Patches@sh.itjust.works 4 points 10 months ago

You're thinking in ¢.02 now.

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[–] havokdj@lemmy.world 8 points 10 months ago (1 children)

This meme is old as hell

[–] where_am_i@sh.itjust.works 10 points 10 months ago (1 children)

sir, this is lemmy shitpost

[–] havokdj@lemmy.world 5 points 10 months ago (4 children)

That meme is old as hell

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[–] norgur@discuss.tchncs.de 7 points 10 months ago (2 children)

Maths is important to get what the frick a 7/16 inch unit is supposed to be and how to calculate just about anything with it.

[–] RGB3x3@lemmy.world 10 points 10 months ago (5 children)

Maths may be important, but figuring out what's bigger, 7/16 vs 3/8, is a stupid fucking system when metric exists.

Centimeters/millimeters: "6 is bigger than 5 is bigger than 4"

Inches: "I don't fuckin know what's bigger, 5/16 or 3/8? How about 7/32? Fuck you, I'm just making it all up."

[–] creditCrazy@lemmy.world 8 points 10 months ago (4 children)

Even more ridiculous is that they could have just made everything one fraction. Like 1/10 then 2/10 then 3/10. This crap is over complicated by it's own rules.

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[–] curiousPJ@lemmy.world 6 points 10 months ago* (last edited 10 months ago) (2 children)

Any aerospace mechanics have any comments on this matter?

[–] captain_aggravated@sh.itjust.works 12 points 10 months ago

Certified aircraft repairman here: That's not an aviation bolt, so the correct tool to turn it is a pair of vice grips and a hammer.

[–] paholg@lemm.ee 9 points 10 months ago

I'm not an aerospace mechanic, but I do have some insight.

The formula in the image is incorrect. It depicts 7/16" - 10 cents = 10 mm, not plus. Notice that 7/16" indicates the gap in the wrench, and the dime makes that gap smaller.

Now that that is out of the way, it seems that a dime is 1.35 mm (I love that American currency is specified in metric). So, 7/16" - 10 cents = 9.7625 mm. So, pretty damn close to 10 mm.

[–] s_s@lemmy.one 5 points 10 months ago

Laughs in pliers wrench

[–] grepe@lemmy.world 5 points 10 months ago (3 children)

Wait... 20h old and nobody picked up un the fact that the thing on the picture is actually screw and you'd need a screwdriver for that?

[–] Honytawk@lemmy.zip 14 points 10 months ago (1 children)

It has a hex shape, you can use both.

[–] Peppycito@sh.itjust.works 4 points 10 months ago

I would say the Philips is for driving in, for speed of assembly, the hex is for when it's seized and needs force to remove.

[–] ook_the_librarian@lemmy.world 11 points 10 months ago

Like I'm going two weld two dimes into a cross for the screw slot when I have a wrench already.

[–] Voyajer@lemmy.world 5 points 10 months ago

A hex cap screw

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