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Have you ever wanted to know just how much silver is in early US coins? Do you want to find out what your silver coin is worth in silver content. Do you want to know the difference between a "troy ounce" and a regular ounce? Then you have come to the right guide!!
A 10 cent dime dated 1964 or before has 7.2% oz pure silver
A 25 cent quarter dated 1964 or before has 18% oz pure silver
A 50 cent half dollar dated 1964 or before has 36% oz pure silver
A $1 dollar dated 1935 or before has 77% oz pure silver
A 5 cent war nickle dated 1942 to 1945 has 5.62% oz pure silver
Find the current market price for silver, Today the silver spot price is $12.55 / oz
Multiply the current price by the silver content of your coin.
Example: I have a 1930 silver $1 coin:
I multiply 12.55 X .77 = $9.66
I have a 1967 Kennedy half dollar:
I multiply 12.55 X .1479 = $1.86
A TROY ounce is more than an ounce.
How can a Troy ounce be more than an ounce?
Precious metals such as gold and silver are often sold by the troy ounce. Many people don’t realize that an ounce of gold is more than the typical ounce found at the grocery store. In many English speaking countries there are two systems for measuring weight.
One, for precious metals, called the troy ounce.
The other is for Commodities such as sugar, grains, and the typical grocery items. It is called the avoirdupois ounce. Here in the USA we often use the avoirdupois ounce. Every time you step on the scale at home, or weight food found in the grocery, you use the avoirdupois ounce weight system. There are 16 avoirdupois ounces in a pound.
Avoirdupois weights - An Avoirdupois pound is equal to about 453.6 grams, or 14.583 troy ounces. 1 avoirdupois ounce = 437.5 grains, or 28.35 grams. 1 avoirdupois pound equals 16 (avoirdupois) ounces or 453.59 grams. That is the equivalent to 14.58 "troy" ounces.
SO WHAT DO YOU GET WHEN YOU BUY AN OUNCE?
The troy ounce is heavier than the typical grocery store (avoirdupois) ounce used in the USA. When you purchase a 1 ounce silver or gold coin, you are receiving a "troy" ounce. If you put that same 1 troy oz. coin on a grocery store scale you will find that it weighs about 10% more than the food ounce you are familiar with. It will weigh about 1.1 avoirdupois ounces. Consequently, a grocery store pound which weighs 16 avoirdupois ounces (or 453.59 grams) will contain about 14.58 troy ounces.
Separately, the troy weight system has it's own definition of a "troy" pound. A "troy pound" contains 12 troy ounces or 373.24 grams (which is over 13 avoirdupois ounces).
It is thought that the troy ounce was named after a weight system used in Troyes France during the Middle Ages.
Troy weights - One troy ounce = 480 grains, or 31.10 grams.
There are also 20 pennyweights to a troy ounce. A troy pound contains 12 troy ounces (over 13 avoirdupois ounces) and is equivalent to 373.24 grams. 32.15 troy ounces = 1 kilogram.
Perhaps an easy way to compare Troy ounces versus avoirdupois ounces is to look at how they weigh using the metric system.
ONE TROY OUNCE WEIGHS 31.1 GRAMS
ONE AVOIDUPOIS OUNCE WEIGHS 28.35 GRAMS
HOW TO CONVERT:
MULTIPLY THE NUMBER OF REGULAR OUNCES X .912 TO GET THE APROXIMATE TROY OUNCES.
10 TROY OUNCES ARE THE EXUIVALENT TO ABOUT 10.96 REGULAR OUNCES. BECAUSE EACH TROY OUNCE IS HEAVIER, IT WOULD TAKE ALMOST 11 REGULAR OUNCES TO EQUAL TEN TROY OUNCES.