

In the US, we weigh ourselves in pounds. But nutritional information about food is in grams.
Imo, the fact that the numerator and denominator units are incompatible isn’t a big deal since the message “eat .08% percent of your body weight in protein each day” is not the intuitive way to think about how much to eat. It’s much easier to use a unit in the numerator that is common measuring nutrition and a unit in the denominator that is common for measuring body weight.
In us states with no tipped minimum wage (such as Oregon), we still tip 20%