Gold Metrics

Just what do all the numbers mean when it comes to how much Gold I am buying?

Some sell in grams, others grains and still others in varying degrees of troy ounces.  Listed are the conversion from one to the other and the definitions of each unit of measure.  Usually the smallest unit of measure for our purpose of buying and selling is gram.  Some online outfits use grains when buying into a storage situation.

Here is a quick look at the numbers.

• 24 grains=1 dwt (pennyweight)
• 1 pennyweight =.05 troy ounce
• 1 gram=.643 pennyweight
• 1 grain = 0.0648 grams
• 4 grains = 1 carat
• 15.432 grains = 1 Gram
• 480 grains = 1 troy ounce

Here are the basic conversion ratios.
Use these formulas to convert!

• Carats to Dwt x by .12860
• Carats to Grams x by .2
• Dwt to Carats x by 7.776
• Dwt to Grams x by 1.5552
• Dwt to Troy oz x by .05
• Grams to Carats x by 5.0
• Grams to Dwt x by .64301
• Avoir Oz to Troy oz x by .91146
• Avoir Oz to Grams x by 28.3495
• Troy Oz to Avoir oz x by 1.091

Troy Ounce:
The traditional unit of weight for precious metals and gems.

• 1 troy ounce = 480 grains
• 1 troy ounce = 24 scruples
• 1 troy ounce = 20 pennyweights (North American jewelery trade)
• 1 troy ounce = 1.097 ordinary ounce
• 1 troy ounce = 8 drams
• 1 troy ounce = 31.1034768 grams.
• 1 troy ounce = 120 carats
• 1 troy ounce = 155.52 metric carats (diamonds / precious stones).
• 3.75 troy ounces = 10 tolas (Indian sub-continent)
• 6.02 troy ounces = 5 taels (Hong Kong)
• 12 troy ounce=1 troy pound
• 14.583 troy ounce =16 avoirdupois ounce (1Pound)
• 32.15 troy ounces = 1 kilogramme (Kilo)
• 32,150 troy ounces = 1 metric ton (1,000 kilos)
• 1000 troy ounces = 31.1 kilograms

Pennyweight (dwt):
The pennyweight was the weight of a silver penny in medieval England.
It is no coincidence that there were 240 pennies to the English pound.
240 silver pennies were equivalent to a pound of silver.
The word sterling applies both to the English pound and to the standard
purity of silver.

• 1 pennyweight = 24 grains (dwt) (1 old time French penny)
• 1.55 grams=1 pennyweight (dwt)
• 20 dwt=1 troy ounce
• 240 pennyweights = 1 pound troy
• 24 grains=1 dwt
• 1 pennyweight =.05 troy ounce
• 1 gram=.643 pennyweight

Gram:

• 1 gram =.03215 troy ounce
• 1 gram =.643 pennyweight
• 1.555 grams = 1 pennyweight (dwt)
• 1 gram =0.00267923 apothecary or troy pound
• 1 gram =0.00220462 avoirdupois pound
• 1 gram =0.0321507 apothecary or troy ounce
• 1 gram =0.564383 avoirdupois dram
• 1 gram =0.257206 apothecary or troy dram
• 1 gram =0.6430149 pennyweight
• 1 gram =0.771618 scruple
• 1 gram =15.4324 grains
• 1 gram =1x10^-6 metric ton
• 1 gram =1x10^-4 myriagram
• 1 gram =0.001 kilogram
• 1 gram =5 metric carats
• 1 gram =1000 milligrams
• 1 gram =1x10^6 microgram
• 1 Gram = 5 Carats