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That’s not true. We also use it in medicine. To measure, in mm, our progress to universal healthcare.
Also drugs. You just try buying meth in imperial.
I wish the US had made the switch to metric back in the 70’s. I remember having to learn it in grade school, and there seemed to be a push for it, but never went anywhere. I now work as a chemist where everything is done in metric, but then go back to US measures once I punch out for the day. Would be nice to have a single system instead.
back in the '70s*
Right? OP paid attention in math class but not in English.
That’s not fair. We also use it to weigh drugs
Only below 3ish grams or above 1000 grams though.
And only some of the bullets.
Some of them we disguise the metric cause it’s anathema to us, 30 aught 6 for instance.
Look at what we’ve done just to not have to refer to millimeters!
30-06 is a 30 cal bullet which should be 300 thou but is really 308 thousandths of an inch and is commonly designated a 7.62 mm NATO which it isn’t because that’s measured at the inside of the lands, so its actually 7.82mm.
Simple.
7.62 NATO isn’t the same thing as 30-06. 7.62 NATO refers to a specific cartridge, not the bullet projectile itself. It’s the same as .308 Winchester. 7.62x51mm.
30-06 is 7.62x63mm
Damn, you’re right.
I think it started for the same reason we have metric tools; foreign imports.
It’s also used in measuring soft drinks like the 2 liter bottle
