# Metric vs. other measurement systems - chart

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• Dec 18, 2020, 05:11 PM
hemmjo
Why is it that most to the "Metric" countries sell "pints" in the pubs?

"A pint glass is a form of drinkware made to hold either a British ("imperial") pint of 20 imperial fluid ounces (568 ml) or an American pint of 16 US fluid ounces (473 ml). Other definitions also exist, see below. These glasses are typically used to serve beer, and also often for cider."
• Dec 18, 2020, 06:00 PM
IntheGroove
• Dec 18, 2020, 06:05 PM
mklotz
and exceeds the volume of three Olympic swimming pools.
• Dec 18, 2020, 06:42 PM
Karl_H
And weighs more than 12 jumbo jets!
• Dec 19, 2020, 08:37 AM
metric_taper
I'll never understand why the USA is still stuck in the old system. I was trained to be bi-lingual with SAE and SI in all my engineering and physics classes in the early 80s. But work did everything in Imperial, and put unit dimensions in parenthesis for metric.
And the worlds pilots are still using altitude in feet, barometric pressure in inches of Hg, and airspeed in knots. At least unit temperature operating ranges was in Celsius.
All the POTUS Jimmy Carter signs are gone from the roadways. And my latest auto does not have the dual speedometer range of earlier, only in MPH (and it's a Japanese design made in Mexico). If you live in states that incorporated as section road use of land, the mile will be stuck with us forever. As every mile, the state owns a 60 foot right of way, even across federal lands.
My only issue with the metric system is the size of the mm is wrong. Arbitrary. It should have been based on human factors of what the unaided eye can see, and be marked on a steel rule *. But like every other mistake, they become permanent errors that are supported forever.
.
.
* I'm not aware of any quantum length that could set an absolute standard. Human factor is why water is used for a temperature scale, metric weight used that as well. And it's only an issue when correct dimension analysis is not done.
At least my newer lathe has both scales, and a mix of Imperial and metric feed screws. It has change gears for metric and SAE thread, but I can't disengage the half nuts during metric, and that makes me razzle frazzle, and cuss.
• Dec 19, 2020, 11:05 AM
bruce.desertrat
Quote:

Originally Posted by metric_taper
All the POTUS Jimmy Carter signs are gone from the roadways.

Not entirely. Interstate 19 (which runs south from Interstate 10 where it makes that turn east at the southwest corner of Tucson) is labeled in mph for speed, but km for distance, still. I think it's the last one left.
• Dec 19, 2020, 06:40 PM
TheElderBrother
Let's make a list of all worthwhile inventions that come from France.

I'll wait.
• Dec 19, 2020, 06:48 PM
IntheGroove
Fries
Toast
Dips
Windows
Doors
and of course, Kiss...
• Dec 19, 2020, 07:06 PM
bruce.desertrat
Pasteurization
Canned food
The rabies vaccine
The germ theory of disease
The monoplane
The bunsen burner (developed in Pasteur's laboratory)
Lets not forget the Razor of Democracy itself, Dr Guillotine's invention...

that's just off the top of my head...
• Dec 19, 2020, 07:19 PM
IntheGroove
...also Democracy and Existentialism...
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