the distance from the equator to the north pole on a line passing
through Paris. It has been redefined in terms of physical
quantities, but that doesn't make it 'better'. In fact it is
just more convenient because it is all decimal. That makes it
easier to make arithmetical calculations.
An arbitrary fraction of the distance from the pole to the
equator is not a useful definition in the real world. No
person can visualize what 1/10000000 of the distance from
pole to equator is. Everyone can visualize how long a foot
is, or the distance from nose to fingertips (a yard).
I'm sitting here drinking a cup of coffee. A cup, 8 oz, is
a useful real world measurement, being about 1 serving of
liquid. A cubic meter is neither easy to visualize nor
particularly usefully sized (the liter, 1/1000 of a cubic
meter, is no longer an official metric unit).
I've found a handy way to estimate from meters to feet is to multiply the
number by 3 then divide the number by 3 and add the two results.
So, if you have a measurement of 100 m:
100 * 3 = 300
100 / 3 = 33.333
100 m ~= 333.333 ft
100m = 328.084ft
Not bad at all for something that takes only a few seconds to calculate
in your head.
On 8/6/2016 9:04 PM, email@example.com wrote:
Really? Will your 1.4" film work in my 35mm camera?
Like it or not, metric is here and not going away. Most of us use metric
in our daily lives and have no idea that we do. We think nothing of it
when we buy a 750 ml bottle of wine or 2 liter bottle of soda. Most of
the manufactured products we buy are metric but unless we need a tool or
replacement screw we have no idea.
In 1960 many auto shops could not work on imported cars but the guys
that bought a set of metric wrenches charged a premium. Smart they were.
I agree there is no reason to change road signs. It does take a couple
of days to get used to kilometers.
If you want to do business with the rest of the world you will use
metric. Aside from stubbornness, there is no good reason not to.
On 8/7/2016 9:32 AM, firstname.lastname@example.org wrote:
Its a measurement. Kodak, a US company made miles of it and used metric
tools to do it. They had to or not have that business that Fuji, Agfa
and others made money from. They chose to buy a metric ruler and cash in.
I guess I gave you too much credit. Ever been to Europe? By day two
most of us are buying fuel by the liter and can figure distance in
kilometers. Stubbornness is the only reason a normal intelligent person
would not grasp it.
Again, nobody buys fuel by a specific volume almost ever; they either
fill up the tank or container or watch the total monetary amount. If
the pump is in liter vis a vis gallons; so what? It's just like the
soda bottle, you buy what is offered; there's no choice and no need to
even think of what the volume actually is; it takes what it takes to get
to wherever you're going in whatever vehicle it is you're driving.
Similarly w/ the road signs...but it still doesn't mean it becomes any
more innate quickly than does the immediate reaction to pull to the
right in traffic when something unexpected happens; it's just too
ingrained to overcome in only a few days (and yes, I've "been there,
done that!" a number of times, including driving off the M and class A
No, I hadn't or if had, totally forgotten about it.
See, there's a perfect reason why _shouldn't_ change! Screwed up
royally that undoubtedly would have added the correct fuel amount if the
calc's had been done as always had done... :)
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