As of February 2016, one gram of silver is worth 50 cents.
With silver at $22.22 per ounce, a gram is about 72 cents. So 2 grams = $1.44.
The prices of silver, as with any metal, can change daily. An appraiser could give an accurate dollar amount as to the worth of 10 grams of fine silver with the marking 999.0 on it. The estimated value is about $900.
The value of 40 grams of silver depends on the current market price of silver. As of [current date], the price of silver is [current price] per gram. Therefore, to find the value of 40 grams of silver, you would multiply the price per gram by 40.
Sterling Silver is 92.5% pure. Therefore, 1 gram of Sterling Silver contains 0.925g of pure silver. 1 gram of sterling silver is worth: 0.5714 x 0.925 = £0.5285 Rounded up, a gram of sterling silver is worth 53p / gram. As of 20/01/2011, fine silver is priced at £17.7729 / Troy Ounce (source: lbma.org.uk). There are 31.103 grams in a Troy Ounce. Therefore, 1 gram of fine silver is worth: 17.7729 / 31.103 = £0.5714
999 Fine Silver £0.59p 925 Sterling Silver £0.52p 500 (50%) Silver £0.25p Prices are Uk prices per gram
The silver value of such a bar would be about $2.25 (based on the December 14, 2007 price of silver of $13.98 per troy ounce). An expert would need to see the design and condition of the bar to determine if it had numismatic value above the intrinsic metal value.
Silver is currently worth $28.39 per ounce (as of 28 May 2012). 220 grams is 7.76 ounces, giving your bar a present market value of $220.31.
The value of 800 silver per gram can vary depending on the market price of silver. As of now, it could be around $0.45 to $0.50 per gram. It's recommended to check current prices for an accurate value.
The value of gold changes everyday, Today a gram of gold is currently worth $33.64
Well, honey, a 1 troy ounce 311 gram 999 fine silver coin is worth its weight in silver, quite literally. The value fluctuates with the market price of silver, so I suggest you keep an eye on those numbers if you're looking to cash in. Just remember, it's not gonna make you rich overnight, but it's a solid investment if you're in it for the long haul.
If you are looking for the "melt" value of a silver coin, the value of silver changes almost constantly depending on the mood of the market. As of 12-Aug-2011, 1 gram of pure silver would get about $1.24 USD.