1 ounce = 28.34 grams
1 gram = 0.03 oz
About $193 as of May 2010, gold is $1200 per troy ounce.
1 ounce = 28.3495231 grams
0.5 ounce = ~ 14 grams so you can tell that 1 ounce = 28 grams. The exact values are 1 ounce = 28.3495.
1 ounce = 28.35 grams.
Although the dimensions may vary, according to the way the ounce is presented (cube, clump, rectangle, bar, etc.), the volume is the same. One troy ounce (used for measuring precious metals) is 31.1034768 grams. The density of gold is 19.30 grams per cubic centimetre. One ounce has a volume of 1.6115791 cubic centimetres, or about 0.0983445 cubic inches.
Gold foil is 91.6% pure so by the troy ounce. the value would be 91.6% of the current gold price on the spot market. For ease of conversion there are 31.1 grams in a troy ounce and .643 pennyweight (dwt) to a gram. As of 3:20pm 20 May 2011 gold is $1515.20 (US) per troy ounce.
1 US fluid ounce is 29.5735 mL
Gold foil is 91.6% pure so by the troy ounce. the value would be 91.6% of the current gold price on the spot market. For ease of conversion there are 31.1 grams in a troy ounce and .643 pennyweight (dwt) to a gram. As of 3:20pm 20 May 2011 gold is $1515.20 (US) per troy ounce.
Your 5.25 cubic inch nugget would weigh about 1660 grams. There are 31.1 grams of gold in a troy ounce. That means you have about 53.4 troy ounces of gold. Gold is vended and priced in both grams and ounces. Ball park figure is about $48,000 at this writing. Use the link to dial in a correct current answer. Gold weighs about 19.3 grams/cc for any future calculations you may wish to make.
That depends on the current market when you sell it. 14k is 58.5% gold, and the market value is for a full troy ounce of pure gold. Most places buying gold won't pay the full value, because they are a business and need to make a profit to stay open. You can call around or actually visit different places to find out what they are paying. There are 31.1 grams in a troy ounce and 20 pennyweights in a troy ounce. You may get prices in either, so be aware what the units are. Try coin shops too, they often buy scrap gold.
The price of gold is influenced by several worldwide factors hence the price per ounce will vary daily. The price of gold is generally given in US dollars per ounce and there are 28.35 grams per ounce. However the valuation of the gold bar may lie in other contributing factors such as its age, condition and rarity etc.
If gold were $930 a troy ounce when you settled the transaction you could reasonabally expect to receive 561.70 from most dealers. As to what it is woth I would say roughly 802 or so based upon a 930 gold price. At 18k you have 75% gold. An ounce is 31.103 grams. However it is my experience that even though the gold may be marked 18k, it's composition may be less than marked. For an up-to-date estimate, use the 18kt gold gram calculator below.