Oh, get off your high horse

Your basic unit for speed is m/s, but for most day-to-day purposes you use km/hr. The conversion between the two isn't even an integer!

Not only that, but your system, by virtue of being decimal, inherits all the shortcomings of our quite flawed numbering system. You can't divide something by the second smallest prime number without breaking out repeating decimals.

In my opinion, a good measuring system would make up for those shortcomings instead. It should be divisible by at least the numbers you can count on one hand. Decimal covers 2 and 5, so ideally the measurement unit would cover 3 and 4. So that would be a base 12 system. Technically 4, being 2², would be covered too, so 3 would do just fine. Ta-da! 12 inches in a foot, 3 feet in a yard.

My ideal would be 21 though, get that 7 factor

If you like intervals of 1000, you'll be delighted (or mortified like me) to know that 7×11×13 is almost exactly 1000 (it's 1001)

I count a flat 8.

Metric is used from all around the world, but comes from a quarter of it.

If you want to convert between imperial units, going straight from feet to miles is impractical. You'd be better off knowing the chart of survey units, and they're all small numbers so they're easy to remember.

12 inches in a foot

3 feet in a yard

22 yards in a chain

10 chains in a furlong

8 furlongs in a mile

Of course, i know this because I do 3d art in blender and refuse to set it to metric.

the only thing more aggravating than using imperial is having to listen to all the complaining about how metric is better. We get it, bro; it's out of our control at this point

My 2 main annoyances with the metric system:

First: The SI unit for mass is the kilogram. That's fucking stupid. A kilogram is 1000 grams, the base unit for something can't be "1000 of this other thing". Because the kilogram is the SI unit for mass, that means that a gram is, by definition, 1/1000th of a kilogram. The stupidity, it burns!

The second one isn't really an issue with the metric system, it's more when people are almost using the metric system then fuck it up, like the "Watt Hour" for measuring energy use. You know, there's already a way of measuring energy use: the "Watt Second", also known as "The Joule"

“In metric, one milliliter of water occupies one cubic centimeter, weighs one gram, and requires one calorie of energy to heat up by one degree centigrade—which is 1 percent of the difference between its freezing point and its boiling point. An amount of hydrogen weighing the same amount has exactly one mole of atoms in it. Whereas in the American system, the answer to ‘How much energy does it take to boil a room-temperature gallon of water?’ is ‘Go fuck yourself,’ because you can’t directly relate any of those quantities.” ― Josh Bazell, Wild Thing

I use both in my wood shop. Sometimes it's easier to lay things out in metric or divide numbers, but other times it's easier to remember an imperial number to go make a cut.

What about a nautical mile?

"Because we are free men, we will be free to measure liquids in liters and milliliters... but not all liquids, only soda, wine, and alcohol because for milk and paint we will use gallons, pints, and quarts, god willing"

"How many liters are in a gallon, sir?" "Nobody knows."

"Why not use meters and kilometers?" "We sill, soldier. But only in certain unpopular sports like track and swimming."

All units of measure are abstract.

I like metric because it's structured around an abstract amount. Even something like Celsius is pretty abstract, because the freezing and boiling point of water changes depending on the atmospheric pressure. The measure of a second? Why is a second, 1 second long? Why is it 1/60th of 1/60th of 1/24th of a day? There's other stuff based on seconds too, like Hertz, which is literally "cycles per second"

I like to think about how abstract these things are, because if we were to ever try to communicate with a truly alien race, we couldn't really use numbers, because their base numbering system would be different than ours, their symbols for numbers would be different, their entire understanding of math and how to calculate stuff could be wildly different, possibly because they understand things we do not. We couldn't even say to them to communicate on a specific frequency of EM, because that frequency is based on Hertz, which is based on seconds, which is based on ????? IDFK (neither would they). We base everything we know on the world around us, and that's entirely unique to earth. We make so many assumptions about how things are because we've only ever experienced life on this planet.

The only thing that kind of makes sense is how many days of the year there are, because it's based on solid science about our solar system. It's still unique to earth, but at least it makes sense on a larger scale. Everything else? Who the hell knows. Why is a meter as long as it is? Who defined this? Why? What abstract Earth-based thing was this based on that other societies of individuals would have no point of reference to relate to?

It's wild we've made it this far, to be honest.

Anyways, I kind of got sidetracked... I guess all I'm really trying to say is that metric makes more sense than whatever the USA is doing. Even if it's just as abstract in its conception.