I think we should ask NIST to redefine a litre as eight cups. Each one would be slightly bigger than 30 mL, but the math to increase recipe sizes would be a lot easier.
 
Mark

----- Original Message -----
From: Natalia Permiakova <np...@yahoo.com>
Date: Sunday, August 4, 2013 12:01 am
Subject: [USMA:53131] Re: Measuring Cup
To: "U.S. Metric Association" <usma@colostate.edu>

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Eight 240 mL cups should not be equal to two liters.


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> Kilopascal <kilopas...@cox.net>;
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> U.S. Metric Association <usma@colostate.edu>;
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> Subject:
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> Measuring Cup
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> Sun, Aug 4, 2013 4:36:16 AM
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> Everyone needs to know, especially if you prepare
> food with measuring cups, that if you use the USC side, that each USC ounce is
> precisely 30 mL and the 8 ounce marking on the cup means 240 mL and not 236 and
> some decimal dust millilitres. 


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> If you do conversions from ounces to millilitres
> in recipes, do not use 28 g or 29.5 mL.  Use both 30 g and 30 mL as the cup
> manufacturers are using the FDA and not the NIST definitions for cup
> dimensions. 


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> http://lynnescountrykitchen.net/glossary/utensils/measurecup.html

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> A cup-shaped kitchen utensil,
> varying in size from 1/4 to 5 cup measures that are used to hold specific
> amounts of both dry and liquid ingredients. Traditional small dry measuring cup
> sizes are used for dry measures of 1/8, 1/4, 1/3, 1/2, 1, and 2-cup sizes in
> U.S. measures or 30 ml, 60 ml, 80 ml, 120 ml, and 240 ml in metric. The liquid
> measuring cups can range in sizes that measure from 1 teaspoon or 5 milliliters
> to 8 cups or 2 liters. The smallest cup measures 1 to 6 teaspoons in U.S.
> measures or 5 to 30 milliliters (ml) in metric.


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> Other links with the same 240 mL = 8 ounce
> relationship:


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http://www.etsy.com/listing/57178175/25-mixing-measuring-cups-for-epoxy-resin


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http://www.lighthouseproductionsinc.com/disposable-measuring-cup-graduated-8-ounce-240-cc/



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