Abernathy wrote: ↑Sat May 28, 2022 10:39 pm Surely completely impractical?Not at all - just completely unnecessary. How many of us, I wonder, just buy (say) £20 worth of fuel when topping up the tank of a car? The unit of measurement of the volume of fuel is irrelevant then. The fact that the US manages to do it without difficulty speaks volumes; our biggest fault was never going fully metric like the Australians did - we kept specific measures in place, e.g. miles and pints. I don't think anyone is advocating a complete abandonment of SI units in science or suggesting we only use UNC and UNF screws in engineering, for example.
As far as I know, sausages are still sold by the pound - depending on the sausage my butcher makes there are either five or eight links.
Now, the one that would be daft would be to return to LSD as our currency, although a mate once wrote a macro to do it...