[kingofpandora]

Officially, it's all metric but in practice, it depends.

For people, height is in feet and weight is in pounds.

For distance, it's metric all the time. And that's how we measure our groceries.

For temperature, it's Celsius (except when taking someone's temperature, in which case it could be either).

For the size of your house, it'll be square feet.

And I'm sure a lot of what I just said this will depend on age and location.