Metric vs. other measurement systems - chart

[Toolmaker51]

And it keeps pirates from stealing them, helping to cement America on the Imperial Standards swamp. https://www.npr.org/sections/thetwo-...-metric-system.

Speaking of which I found this amazing graphic today, showing the relationships of liquid measure in the (US) Imperial system. See they're perfectly simple! (just don't do it wrong; I think you'll summon a demon instead of finding how many teaspoons in ⅓ cup :-)

Decent graphic depiction, but siding with Marv on this one, summoning inferial IS demonic...

[Philip Davies]

I hope that this cartoon, originally published in “Punch” in 1914, will amuse you.
Although I grew up with pounds, shillings and pence, the sum was too difficult for my mental arithmetic. I expect, though, most of the adult readers at the time would have reached the answer rapidly. Would you like to know why?

[Philip Davies]

Unfortunately the print is difficult to read. The schoolmaster asks Tertius what 4% of £5 would be. Tertius’s second guess is the nearest.

[mklotz]

Unfortunately the print is difficult to read. The schoolmaster asks Tertius what 4% of £5 would be. Tertius’s second guess is the nearest.

Once one learns the definitions of £/s/d, it's straightforward, even for a metriphile Usonian...

£5 = 100 s(hillings) so 4% is 4 shillings, or 48 d, or 192 farthings