$30
The price of silver is measured by the Troy ounce. 1 oz(troy) = 31.1034 g We can convert your gram weight to Troy ounces with this result: 12.8 g = 0.411529 oz(troy). Today's spot price for silver is: $31.62/oz(troy) X 0.411529 = $13.01. Your 12.8 g of pure silver is worth $13.01 when spot price is $31.62.
It is .900 fine or 90% pure silver, for a Actual Silver Weight (ASW) of 0.7734 Troy oz.
Silver is not measured in karats, gold is measured in karats and diamonds and other gems are measured in carats. Silver is measured in grams, and troy ounces, one troy ounce equals 31.10 grams.
Troy ounce weighs 31.1034768 grams. Each gram equals to 1/31.1034768=0.032150746 troy ounce. If silver is $20 per troy ounce three grams pure silver value 20X 3X0.032150746=0.289 dollars.
It means sterling silver,/ 92.5% purity. 99.9 pure Silver is at $32.68 a Troy oz/31.1 grams So, an oz of 92.5 silver would be just 7.5% less than the pure price, around $30.00 an oz
Sterling is 92.5% pure silver, so there is 0.925 of a Troy ounce of pure silver in 1 Troy ounce if Sterling.
It depends if they are silver (pre-1965) or clad (1965 and onwards) if they are clad they are only worth face value, but if they are silver, that is 379.16 troy ounces of quarters, which at 90% silver, gives you 341.244 troy ounces of silver, which at a spot price of $28 gives you $2729.952 in silver content.
A pound (not troy pound, but just a normal pound) of 90% pure silver dimes would get you about 13.122 troy ounces of pure silver. At current silver prices of $33 a troy ounce, that would get you about $433 in just pure melt. Keep in mind that there are coins which are worth more to collectors than just pure melt values however.
$1,672.00
The Morgan dollar is 90% silver, or contains about .77 troy ounce of pure silver.
Silver is worth about $18.50/oz, so about $180.
A 2007-W Silver Eagle is one Troy ounce of pure silver.
Presently there is no silver in the US half dollar. Until 1964 dimes, quarters and half dollars (and earlier dollars) contained 900/1000 (.900) Silver. In 1964 there were 11.25 grams of silver in a half dollar which is about 0.3620 troy ounces of silver. (Note that a troy ounce used for precious metals is about 31.1034 grams whereas a avoirdupois ounce is about 28.4 grams and a troy pound is 12 troy ounces rather than 16). After 1964 silver was removed from dimes and quarters (except special sets of quarters) and in the half dollar the silver was reduced to 4.60 grams (1965-1970). This was known as "clad" halves because the outside was .800 silver and the inside .210. After 1970 silver was removed from all regular issue US coinage. There was also a clad special issue of the 1776-1976 bicentennial half. Sterling silver is .925 and pure is considered at least .999.Presently there is no silver in the US half dollar. Until 1964 dimes, quarters and half dollars (and earlier dollars) contained 900/1000 (.900) Silver. In 1964 there were 11.25 grams of silver in a half dollar which is about 0.3620 troy ounces of silver. (Note that a troy ounce used for precious metals is about 31.1034 grams whereas a avoirdupois ounce is about 28.4 grams and a troy pound is 12 troy ounces rather than 16). After 1964 silver was removed from dimes and quarters (except special sets of quarters) and in the half dollar the silver was reduced to 4.60 grams (1965-1970). This was known as "clad" halves because the outside was .800 silver and the inside .210. After 1970 silver was removed from all regular issue US coinage. There was also a clad special issue of the 1776-1976 bicentennial half. Sterling silver is .925 and pure is considered at least .999.Three pre-1965 halves equal 1.08600 troy ouncesEli58
The price of silver is measured by the Troy ounce. 1 oz(troy) = 31.1034 g We can convert your gram weight to Troy ounces with this result: 12.8 g = 0.411529 oz(troy). Today's spot price for silver is: $31.62/oz(troy) X 0.411529 = $13.01. Your 12.8 g of pure silver is worth $13.01 when spot price is $31.62.
$300
About $32 per troy ounce at the time of writing. .999 refers to silver that is 99.9% pure.
It is .900 fine or 90% pure silver, for a Actual Silver Weight (ASW) of 0.7734 Troy oz.