Down in Oz, they went standard euro-metric yonks back. Now absolutely everything is in litres or millilitres, tonnes, kilogrammes, grammes or milligrammes, kilometres, metres, centimetres or millimeters, and hectares........ Unless you're over fifty or a recent immigrant from the UK, many of whom seem to still think in gallons (inperial), pints, fluid ounces, tons, hundredweight, stones, pounds, ounces (troy and avoirdupois), miles, furlongs, yards, feet, inches, and acres.

I have memories of changing from the foot-pound-second system to the centimetre-gram-second system back in the sixties, with interesting detours into the area of poundel and slugs. Shudder.......

The think I can't get to grips with is measuring fuel economy. Miles per gallon was OK, so kilometres per litre seems logical, but the thing these days seems to be litres per 100 kilometres.