[net.cooks] Weights and Measures

russell (11/04/82)

WEIGHT AND MEASURE CONVERSION

Chuck Young's response to my attempt to convert English (Im-
perial)  measurements  to US prompted me to check some of my
books. To a degree Chuck is  right.  This  all,  yet  again,
reconfirms  my  contention  that  we  (English) composed the
language, you (Americans) decomposed it!

The only apparent errors in the conversions I gave  actually
were  a  result  of my assumption that we agreed on the con-
tents of a tablespoon which, as you will see below, is actu-
ally  substantially different.  All the other measurements I
gave were by dry weight (avoirdupois) on which  we  more  or
less  agree.  On  this  basis  it  would be incorrect to use
Chuck's translation of the measurement for  the  vinegar  as
the  quantity needed is actually  2 5/6 cups (say 3 for sim-
plicity).

It transpires that one of the few culinary measures on which
English,  Americans, Europeans, and Australians all agree is
the teaspoon. Everyone agrees that a teaspoon is  5  millil-
iters. The following chart may possibly help to some extent.
Unfortunately I have not yet been able  to  find  definitive
measurements for the Metric "Spoons" (except the teaspoon of
course), although the French, at  least,  do  use  the  same
names as the other cultures.


Name            Imperial        American        Australian      Metric

1 Teaspoon      5 ml            5 ml            5 ml            5 ml
1 Tablespoon    17.7 ml         14.2 ml         20 ml

Liquids
                1/4 pint        2/3 cup                         142 ml
                1/2 pint        1 1/4 cups                      283 ml
                3/4 pint        2 cups                          425 ml
                1   pint        2 1/2 cups                      567 ml
                1 1/2 pints     3 3/4 cups                      851 ml
                1 3/4 pints     4 1/2 cups                      1 litre
                2 pints         5 cups (2 1/2 pints)

Solids
 Butter         1 lb            2 cups
 Flour          1 lb            4 cups
 Sugar (gran)   1 lb            2 cups
 Sugar (powd)   1 lb            3 cups
 Rice           8 oz            1 cup

                1 oz                                            28 g
                1 lb                                            454 g


If anyone has a good, complete, conversion chart for all cu-
linary measurements I would appreciate receiving it.

Russell Cairns

fowler (11/05/82)

That's all very fine if you make the (erronious) assumption that 
Imperial and American ounces are the same.  In fact they're not and
I've made a considerable amount of money making bets with drunken
Canadians that the Imperial gallon (160 Imperial ounces) is not 5/4
times as large as an American gallon.  The American ounce is about
25/24 larger (to a couple of places of precision) and the actual
ratio of the gallons is therefore about 6/5.  The conversion tables
that you sent around are based on the same error.

                          -- Rob Fowler

rvpalliende (11/07/82)

The important thing about the metric system is NOT its simplicity,
as most people believ', but its universality. You don't hav' to
convert from one kind of meters to another; and on the other hand,
as we hav' seen, there are different kinds of gallons, ounces and the like.
When the metric system was invented, ev'ry country in Europe had a
measur' called foot, all of them different. Clearly a common measur' system
was needed, and a byproduct of the creation of the new system was its
simplicity.

Pablo Alliende.

johnl (11/11/82)

Pablo is right -- the most important advantage of the Metric system is
its universality, not its uniformity.  People all over the world can use
metric recipes without conversions.

If only he believed the same thing about English orthography.

				Cheerfully,

				John Levine

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