All you imperialists, just use litres and grams, it would all be so much simpler.
seriously though, I've totally lost my ounces stuff and always find it confusing when folks describe x camping gear in ounces...
And yet, still haven't picked up on bar tire pressure and only understand psi.....
I'm a 57 yo Canuck and can think in metric for everything except temperature. For the life of me I can't stop my brain from picturing the weather in Fahrenheit.