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Common Units of Measurement

1 dozen = 12 pieces
1 gross = 12 dozen = 144 pieces
1 mass = 1200 pieces

Weight Conversions

ONE TROY OUNCE
= 31.1035 grams
= 1.0971 avoirdupois ounces
= 0.0686 avd. pounds
= 20 pennyweights (dwts.)


ONE PENNYWEIGHT
= .05 troy ounces
= 1.56 grams
= 24 grains (gr)


ONE GRAM
= 5 carats
= 0.64103 pennyweights (dwts)
= .03527 avoir. ounces
= .03215 troy ounces


ONE AVOIRDUPOIS OUNCE
= .91146 troy ounces
= 28.3495 g
= .0625 lb.


ONE AVOIRDUPOIS POUND
= 453.592 grams
= 14.583 troy ounces

Metal Composition

Sterling Silver - Contains 92.5 parts silver, 7.5 copper. Sometimes referred to as “.925 Silver”

12 kt or 14kt Gold-Filled - A layer of 12 karat or 14 karat gold bonded to one or more surfaces of supporting base metal

Nickel Silver (CDA Alloy # 752)  - An alloy of 65% Copper, 18% Nickel, and 17% Zinc. Sometimes referred to as “German Silver”

Red Brass (CDA Alloy # 230)  - An alloy of 85% Copper,  and 15% Zinc. Also called Rich Low Brass, Merlin’s Gold or Craft Gold