Earlier quoted context omitted.
>all groceries are mandated to list price per weight/volume/appropriate other unit so you can find out, say, which bag of rice is cheapest per kg, for instance - the same goes for taxi services and price per km That's actually really interesting and I had no idea that was the case. In a supermarket, would such a list be in the isle next to the food? Or would it just be available from management or something like that…
I don't know about Sweden but here in Germany it's on the price labels that are attached to the shelves. You have a price per unit. Say a 0.5l bottle of beer costs 0.78 EUR and then you have the price per 100ml or 1l below it (1l = 1.56 EUR). It's marginally useful if you compare the price of rice to the price of Coca Cola but it's really useful if you want to know what's cheaper: Buying a package of 6 1.5l bottles o…
Item A: $3, $6/pound
Item B: $4, $0.30/oz
Which defeats the whole purpose of the per-unit price. Occasionally drives me bonkers.