I'm an American engineer and I prefer Metric for work related purposes, but I find Imperial to be more human usable when numbers are on the lower end.

100 F and 0 F is where you start thinking about the health implications of the weather. A foot is about wrist to elbow, an inch is about the width of 2 fingertips. A fathom(2 yards) is about fingertip to fingertip with arms spread.

Basically if you're not doing anything scientific or large scale, Imperial is more based around the human experience and physiology. SI units are based around high-minded pursuits that require standardization and easy calculations. Centigrade comes to mind as a really nice method of determining temperature. Meters and all their scaled cousins make my job an awful lot easier for fitment of designs and transferring ideas between the Euros I work with.

Depends on what I'm doing, they both have their very good purposes.

If I'm doing theory based stuff, Metric can't be beat, since it's our regular base 10 system.

If I'm on the floor building stuff, give me Imperial. Shop math is so stupidly easy once you learn it, you'll never want to mess with Metric when building anything ever again. But, our schools don't teach shop math very well, and barely teach fractions anymore, so people don't know the glory that is Imperial. I had to learn shop math in a CAD class. It took all of 5 minutes. The teacher pointed at a line, and asked where the middle would be. Everyone went to get out their calculators, and the teacher yelled "ALREADY TOO SLOW", then moved on to the center of a circle. Everyone turned on their calculators, and again, the teacher screamed "TOO SLOW".

Here's the trick with Imperial. You want the center of a line/circle? Say a line 1/2 inches long. Divide by two. Center is at 1/4. Center of that? Divide by two again, 1/8. Center of that? 1/16. On and on and on. Metric? Where the center of a .500mm line? .250. Center of that? .125. Center of that? Uhhh....

So theory? Metric. Practice? Imperial.

My teachers up until that class had done nothing but bash Imperial, so once we got to the CAD class, nobody even considered it an option. It was an archaic out of date system that had no use anymore. That quick little lesson made me love the Imperial, and made the entire class realize we were brainwashed by idiots.

I voted "Fuck You" but I prefer metric.

Metric for the win!

Fuck you!!!!!!! metric is better for distance and scientific temperature. Imperial is better for temperature in terms of how humans relate to it. 0F is fucking cold and 100F is hot AF.

Information: I did not add the third option to the poll.

The system automatically added it.
Not a fan of this, but taking it with humour.

There's only 1 unit of measurement commie. You think your house was built in metric?

Imperial because I'm better able to estimate the quantities described owing to my cultural background. At the time of writing I'm the only one supporting that option, but I'm pretty sure the "fuck you" peasants would be on my side on this. They're just too cowardly to support an unpopular opinion so they took the easy way out.

Metric is un-American and anti-Boomer.

I can't use anything else.

Interesting results, I'd have expected many more imperial users.

You should have added 4 options: like "native imperial, prefer metric", "native metric, metric" etc. The units usage very much depends on the person and country.