I use both, daily.
I like speed and distance in miles. Mile a minute makes everything easy to estimate.
Temperature? Can we just forget there ever was a Fahrenheit? He was probably gay, constipated, or both, anyway.
Weights? Kilos for the win. You know why not Imperial? For the same reason you don’t know how many stone you weigh....
Carpentry, plumbing? Inches and feet, thank you. It just works. Never could come close to cutting to the millimeter. But welding and metal work? Metric. All the way. That stuff has to be right the first time.
Volume? I go either way. But once you get to cubic feet and acre feet, imperial Is easier. Cubic meters are just the wrong size.
