Parker Willey Jr. wrote,
> I was thinking the other day that some people think the word
> "metric" is foreign. That could be one of the monkey wrenches
> that keeps our country mostly using legacy measures.
> So, since we use a decimal system of coinage, I propose that we
> call the metric system of weights and measures simpl;y the
> "Decimal" system of weights and measures. That is what it is!
> In the United States, We can retain all the labels like liter,
> kilometer, meter, millimeter, hectare. etc.
> Now, think: The "Decimal" system of weights and measures.
> Does that sound OK?
I think that would certainly help.
I think another ____________ would be to adjust some of the comparatives.
For instance, 1 gallon = 3.785411784 liters.
Or, more comparatively, 1 quart = .946352946 liters.
So, 10 L ≈ 10.566 qt. = 2.6415 gal.—which is easier to relate
To get people comfortable with liters—say, in terms of gasoline—define
it as “$/qt”, rather than “$/gal.”, and “mi/qt”, rather than “mi/gal.”
(remember, this is just a transitional, getting people comfortable with
the conversion magnitudes phase! P=)
Likewise, 1 fl oz. ≈ 29.5735 mL = 2.95735 cL—which more relates
to fl oz.?
The same approach applies to other designations:
1 m ≈ 3.28084 ft. = 39.37008 in.?
or ≈ 1.09361 yd.?
1 oz. ≈ 28.35 g?
or ≈ 2.835 dag?
29.86 inHg ≈ 758.4 mmHg ≈ 1011.2 hPa?
or ≈ 75.84 cmHg ≈ 101.12 kPa?
Another convoluted relationship is Fahrenheit and Celsius.
The Fahrenheit freezing point (0 °F) is based on a specific salt water
mix (“brine”), thus the freezing point of “regular” fresh water is 32
°F, or 0 °C, while its boiling point is 212 °F, or 100 °C.
If you subtract 32 from 212, you get 180.
So, for the moment, letʼs define an “elementary” Fahrenheit, where
°E = °F − 32, thus the boiling point of (fresh) water is 180 °E/100 °C.
But wait, the Fahrenheit scale is sexagesimal degrees (“°”) in nature,
while Celsius is centesimal degrees, or gradiens (“ᵍ”): The freezing to
boiling point spread is 0 to 180° or 200ᵍ, so, based on °E, Celsius
should be double its value, or bicentesimal, °B = 2×°C, thus
212 °F/100 °C should be 180 °E/200 °B (and, say, 77 °F/25 °C should be
45 °E/50 °B).
I realize that is a bit much to swallow all at once, but the immediate
point here, is that a modified Fahrenheit expression should be used,
getting people comfortable with a lower, actual/undistorted (“+32”)
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