I mean we use US customary and metric too, but US customary measurements aren’t always the same as Imperial.
1 US pint = 16 US fluid ounces
1 British pint = 20 British fluid ounces
But wait!
1 British pint = 19.2 US fluid ounces
Would you like to know more? Probably not, but anyways: https://en.m.wikipedia.org/wiki/Comparison_of_the_imperial_and_US_customary_measurement_systems
Why the fuck you roasting a turkey upside down? You want nice crispy golden skin on the back and gooey white skin on the actual edible parts?