A metric tonne (1000 kg) should be called a megagram (1 Mg).

BarqsHasBite@lemmy.ca to Showerthoughts@lemmy.world – 512 points –
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Yes YOU don’t do that. Because you can’t.

I won't argue that, its a flawed measurement system. My goal isn't to show you why imperial is so much better than metric, because its obviously not. That doesn't mean imperial is never useful though.

There’s nothing „more useful“ about either a foot or a meter.

They can both do the same job, but its more convenient to have smaller units depending on what you're measuring. I find the size of a foot to be convenient for measuring things in casual situations where accuracy and precision aren't priorities.

Your foot btw most likely is not as long as a „foot“, and a small woman’s size is easily 20% off. And no, that’s not „in the ballpark“.

We don't literally measure it with our feet, that's just what its called.

but its more convenient to have smaller units depending on what you're measuring.

See, that’s what apparently many people don’t understand: with metric you don’t have „larger or smaller units“. You have one unit and you scale it to your needs. It’s not like we have „the meter“ and „the centimeter“ and have no clue what’s in between. There’s absolutely nothing more convenient about having multiple units for the same physical property.

I find the size of a foot to be convenient for measuring things in casual situations where accuracy and precision aren't priorities.

Again: There’s nothing more or less precise about metric or imperial. You have a mental image of a „foot“ the same way I have a mental image of a ruler or a sheet of paper, i.e. 30 cm.

I don’t really know what a litre is. I know what a beer bottle looks like, or a milk carton, the same way you know what a quart of milk looks like. Pour a quart on the floor and ask someone how much that is, they probably don’t know.

We don't literally measure it with our feet, that's just what its called.

Oh, I definitely had other people tell me imperial is „more human“ because a foot is the size of your foot and an inch is the size of the tip of your thumb.

with metric you don’t have „larger or smaller units“. You have one unit and you scale it to your needs.

That's the same thing, the units are just proportional.

It’s not like we have „the meter“ and „the centimeter“ and have no clue what’s in between.

I know, its just easier to say a foot than 30 centimeters. That's why I use it in casual conversation, and not in anything important.

There’s absolutely nothing more convenient about having multiple units for the same physical property.

That's not the part I'm saying is convenient.

Again: There’s nothing more or less precise about metric or imperial.

They can both be used to measure things precisely, but metric is more convenient in those situations usually. If I need to accurately measure something, I would use metric because the advantages of imperial are probably not applicable. If I'm just estimating and it doesn't matter much, I'll probably use imperial because I won't have to do any conversions with that number, or anything else imperial struggles with.

Oh, I definitely had other people tell me imperial is „more human“ because a foot is the size of your foot and an inch is the size of the tip of your thumb.

Those people are wrong.

That's the same thing, the units are just proportional

Sure, if you put it like that. But I do have the feeling many US people treat imperial units like completely different things and have absolutely no mental concept of a relation between them, especially between length and volume.

I know, its just easier to say a foot than 30 centimeters.

That’s just a completely arbitrary thing. It’s easier to answer „how tall are you“ with „one eighty“ instead of „five foot eleven“ 🤷‍♀️

It doesn’t seem to be an issue for „metric people“ at all, nobody is missing the foot in Europe.

Because if it were convenient we would have that, the same way we have a ton, or a pound (500 g), which are in common use. You have the decimeter (10 cm), but nobody uses it. There used to be a unit called „Elle“, which is 50 cm, and it’s just the name for the stick, nobody says „give me 3 Ellen of canvas“.

I would use metric because the advantages of imperial are probably not applicable.

I still fail to see those advantages.

If I'm just estimating and it doesn't matter much, I'll probably use imperial

Yes, because you’re used doing so, not because it’s more practical or convenient. Metric people do estimate things as well.

But I do have the feeling many US people treat imperial units like completely different things and have absolutely no mental concept of a relation between them, especially between length and volume.

There is certainly no shortage of Americans that don't understand the metric system, or hate it for nonsensical reasons. I was once asked to measure a piece of wood and I said it in centimeters because it was exactly x cm long, and they said something to the effect of "not that commie shit". They seriously wanted to work with fractions of an inch instead of touching that evil foreign system.

That’s just a completely arbitrary thing. It’s easier to answer „how tall are you“ with „one eighty“ instead of „five foot eleven“ 🤷‍♀️

Its arbitrary if its not something you care about. Also that's not a great example for height. Usually its just two syllables. 5' 4", 5' 5" etc. You only have to say foot if you are an exact number of feet tall. That way you don't tell anyone "I'm 6". Most people's height in cm will not be a multiple of ten, so it will be longer than 180's three syllables.

It doesn’t seem to be an issue for „metric people“ at all, nobody is missing the foot in Europe.

It's just an inconvenience, it's not worth learning imperial to save a little time. Especially when no one around you would understand what you're talking about.

I still fail to see those advantages.

The units are usually sized intuitively for everyday use. Just look at Fahrenheit vs Celsius. The only thing I use Fahrenheit for is the weather. 0 is too cold, 100 is too hot. That's subjective of course, but it seems more intuitive to me than Celsius. The boiling point of water doesn't matter to me when I'm deciding what clothes to wear for the weather. Celsius works fine but it makes less sense for that application in my opinion.

Yes, because you’re used doing so, not because it’s more practical or convenient.

Or, Europeans only use metric for those things because they don't know imperial. I'm not saying that's a bad thing either, if you don't know imperial then its not worth learning. The advantages are small enough that its not worth the effort, but that doesn't mean they don't exist.

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