Quick answers about gold and silver

Short answer: every question below has a one- or two-sentence answer, and a link to the page that covers it in full.

Weights and units

How many grams are in a troy ounce?
One troy ounce is exactly 31.1034768 grams, usually rounded to 31.1035. It is the unit used to price gold, silver, platinum and palladium. Gram to troy ounce converter
What is the difference between a troy ounce and a regular ounce?
A troy ounce is 31.1035 grams and a regular (avoirdupois) ounce is 28.3495 grams, so the troy ounce is about 9.7% heavier. Precious metals are always priced per troy ounce. Avoirdupois ounce
How many troy ounces are in a kilogram?
A kilogram is 32.1507 troy ounces, so a one-kilo bar contains a little over 32 troy ounces of metal. Kilo bar
How many grams is a tola?
A tola is commonly taken as 11.6638 grams. It is used to sell gold in India, Pakistan and parts of the Gulf. Tola
How many pennyweights are in a troy ounce?
There are 20 pennyweights in a troy ounce. A pennyweight is 24 grains, or about 1.5552 grams. Pennyweight

Prices and premiums

What is the spot price?
The spot price is the current wholesale price of one troy ounce of a metal for immediate delivery. Retail coins and bars cost more than spot because of premiums. What the spot price is
What is a premium over spot?
It is the amount you pay above the metal's value at spot for a coin or bar. It covers minting, distribution and the dealer's margin, and is usually shown as a percentage of the melt value. Premium over spot calculator
How do I convert a gold price per ounce to a price per gram?
Divide the price per troy ounce by 31.1035. If gold is 2,000 per ounce, it is about 64.30 per gram. Price per gram calculator
What is the bid-ask spread?
The bid is what a dealer pays you and the ask is what a dealer charges you. The gap between them is the cost of buying and then selling again. The bid-ask spread explained
What is a buyback price?
A buyback price is what a dealer will pay for a coin or bar. It is normally below the dealer's selling price, so ask for it before you buy. Buyback price

Purity and value

What does 999 mean on a gold bar?
It is the fineness: 999 parts in 1,000 are pure gold, or 99.9%. A stamp of 999.9 means 99.99% pure. Fineness
How much gold is in 18 karat gold?
18 karat gold is 75% gold, because karat is parts per 24, so 18 divided by 24 is 0.75. It is usually stamped 750. Gold karat converter
How do I work out the melt value of gold?
Multiply the weight by the purity to get the pure gold, convert it to troy ounces, and multiply by the spot price per troy ounce. Gold melt value calculator
How much silver is in a dollar of 90% US coins?
A dollar of face value in 90% US dimes, quarters or half dollars holds about 0.723 troy ounces of pure silver. Junk silver calculator
What is the density of gold and silver?
Gold is about 19.32 g/cm³ and silver about 10.49 g/cm³. Platinum is about 21.45 and palladium about 12.02. Density

Cost basis and tracking

What is cost basis?
Cost basis is the total you paid for an asset, including premium, shipping and fees. It is the figure your gain or loss is measured against. Cost basis
How do I calculate my average cost per gram?
Divide the total you paid by the total grams you own. Do not average the per-gram prices, because that ignores how large each purchase was. Average cost calculator
What is dollar-cost averaging?
It means buying a fixed amount at regular intervals, whatever the price, so you buy more metal when it is cheap and less when it is dear. DCA calculator
What should I record when I buy bullion?
Record the metal, product, weight, purity, quantity, total price including fees, date, seller and storage location, and keep the invoice and photos. Record-keeping checklist

Bars, coins and storage

What is an assay card?
An assay card is a card sealed with a bar that records the refiner, weight, fineness and usually a serial number. A bar in its sealed card is easier to resell. What an assay card is
What is a good delivery bar?
It is the large bar traded between banks and refiners. A gold good delivery bar weighs roughly 400 troy ounces, about 12.4 kg. Good delivery bar
What is a monster box?
A monster box commonly holds 25 tubes of 20 one-ounce coins, which is 500 coins. Tube and monster box
What is the difference between allocated and unallocated storage?
With allocated storage, specific bars are set aside in your name. With unallocated storage you hold a claim on a pool of metal, which is cheaper but depends on the custodian. Allocated vs unallocated
What is junk silver?
Junk silver means circulated coins minted in silver, such as US dimes, quarters and half dollars dated 1964 or earlier, valued for their metal content. Valuing junk silver

BullionKeeper

Is BullionKeeper free?
Yes, up to 20 holdings. Vault Elite is $49.99 a year, or $299 once for the first 200 founding members, and adds unlimited holdings, photos and Family Vault. Pricing
Does BullionKeeper have a mobile app?
BullionKeeper runs in your browser today. iOS and Android apps are in progress. Features
How do I delete my BullionKeeper account?
Open Profile, choose Delete account and type DELETE. Your account and its data are removed immediately. Delete your account
Which currencies does BullionKeeper support?
Spot prices are available in more than 50 currencies, shown per gram or per troy ounce. Currencies

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