Divide a metre by 4 and you get 0.25 meters or 25cm
Dived a foot by 4 you get 3 inches.
Dived a yard by 4 you get 9inches
Metric here wins in my opinion.
Now let's go by 3
1m by 3 is yes 33.3r not great but 1m is 100cm and that's how it is.
1ft by 3 is 4 inches. Sure looks great now.
Except size resolution is far greater in metric in simple forms
Every inch is 2.54 cm obviously they dont round up nicely.
Once we have to go smaller than an inch we need 15/16s of a inch, smaller then a cm we drop down to mm.
10mm makes a cm.
In super practical terms i need a spanner, 16mm is to big, i get the 15 next.
5/8 is to big what do i get next?
(I know the answer)
Also another argument is well whats if you need half a mm etc we just use 0.5m or
0.7mm etc
Very small sizes for most everyone day to day.
Sure it's not great breaking it too 0.whatever, but metric does it so much smaller as imperial made that jump to incorporate a size smaller then an inch.
Division no is the problem in one unit, inch, feet, etc, because use fraccions instead of decimls, but the problem is the conversion from inch, feet to others (yards, miles), which is the source of a lot of errors, like those from the Mars probes or some catastrophigs breaks of bridges in the past, apart of some problems in physics, because using for weught and mass the same unit.
No, imperial are not human measures, never has been since humans count with 10 fingers.
Nothing against metric, but base-10 is a complete train wreck of a numbering system. Mathematics in general, and geometry in particular, are gorgeous and elegant in base 12.
And also ells, rods, cubits, paces, furlongs, oxgangs, lots, batmans... all with subtly different regional definitions (with regions sometimes as small as one village).
People used loosely defined measurements based on things like their own body parts or how much land they guessed their ox could plow on an average day. Things like mathematical convenience or precision were not all that important; being able to measure (or estimate) without tools was.