As of today (April 20, 2011) the spot price of silver is US$44.95 per troy ounce. Thus 1.5 troy ounces of silver would be worth US$67.42.
Silver is worth about $18.50/oz, so about $180.
$1,672.00
At $33.35 per oz 3.5 ounces would be worth $117.07.
The value changes daily as the market price for silver fluctuates. As of 20 October 2012, silver is worth $32.06/oz, making a 5 oz. bar worth $160.30.
The value changes as market prices fluctuate. As of 20 October 2012, silver is worth $32.06/oz, so a 10 oz. silver bar is worth $320.60.
1966 Canadian quarter is 80% silver and approximately has .1501 Troy oz of silver. So it depends what silver spot is. With silver at $48/oz it's worth $7.20
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.
250 grains is approx. equal to 1/2 Troy Oz. At current (01/17/14) silver price of $20.29/Oz. 250 grains is worth about $10.50. (Actual conversion is: 1 grain = .00208333 troy ounces, therefore 250 grains x 0.00208333 Oz./grain = 0.5208325 Troy Oz. x $20.29/Oz. = $10.567691
".999 silver" does not signify the weight. It signifies the purity. .999 is the same as 99.9%. But silver bullion comes in half-troy oz rounds, 1 troy oz rounds or bars, 5, 10, 12, 20, 50, 100, and 1000 troy oz bars. 12 troy oz=1 troy lb. 1 troy oz=31.1034768 g, as opposed to the oz, which weighs 28.3495231 g.
Silver currently sells for about $16/oz.
As of 8/23/2012 300 grams of silver @ $30.5 oz troy = $272.15
Spot price of silver right now is $17.66 per oz. so a buy price of about $15.00 As of 1-16-2011 1 troy oz now worth $28.17