As Canadians we typically measure our height and weight in ft and lbs. But temperature in celsius and travel distances and speeds in kilometres and km/h. Except for cooking/recipes, where oven temperature is measured in fahrenheit and we have to deal with recipes with cups and ounces and so on. ... But recipes are also often in litres and grams. So...
And most people can think of thermostat or pool/lake water temperatures in fahrenheit as well as celsius.
We're supposed to be metric, but good luck finding a reasonable selection of metric screws/bolts/nuts at the hardware store. Online order.
Really this is all to do with deep integration with the US economy and its own bizarre mostly-imperial-but-metric-where-it's-important.
My poor father was a machinist, and originally was trained in metric Europe (Germany.) He found the whole situation extremely frustrating.