Good Delivery 400oz Gold Bar: Weight Comparison = Mountain Bike
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World's Largest Gold Bar: Weight Comparison = Large African Lion
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Frequent Gold Bar Weight Questions & Other Interesting Gold Bar Weight Facts
When people ask this question, they're typically wanting to know the weight of the standard 'Good Delivery' gold bar, usually seen on TV or in movies. This 400 oz gold bar is quite large, weighing in at whopping 27.4 pounds, with a single bar valued at roughly $750,000 U.S. These gold bars are held and traded internationally by central banks and bullion dealers, and are not typically sold to the general public.
What many people don't realize is that gold bars come in a large variety of weights and sizes, allowing just about everyone the ability to invest in a denomination of gold that works within their budget.
You ask, we answer! Read additional gold bar weight questions posed by some of our customers:
How do you produce a standard-weight gold bar?
Refiners and mining companies deal in larger gold bars that are mixed with gold and other metals. These bars weigh around 400 Troy ounces / 12.4 kg / 27 pounds. A dore bar is a semi-pure alloy of gold and silver and is weighed and melted to ensure the contents are homogenous. This also guarantees the bar has no pockets of high or low purity within the bar. A sample is taken from this melted dore and assayed to determine the exact amount of gold and silver present.
The refinery will then take the pure silver and gold and melt into their own gold and silver bars, or sell the pure precious metal in whatever form it is in. To fully own a bar, the refiner must complete a loco swap with the miner to acquire the bar.
What is a loco swap?
A loco swap is between a miner and a refinery and they swap the gold or silver they have without physically shipping it. The two companies agree to swap a precious metal with one another in a different location.
To get a 99.5% pure 400 oz gold bar from a dore bar that is received from the miner, it has to go through a chlorine refining process known as the Miller process. The Miller process bubbles chlorine gas through the melted dore metal. This allows the gold to react with the chlorine to form gold chloride that then forms a slag on top of the molten precious metal. This process produces gold to a purity of 99.5% and is cast into 400 oz bars for the wholesale market.
What's the difference between bar, biscuit, and ingot?
They are all the same meaning for a long bar of precious metal bullion. The names can be applied to various other metals, but normally refer to gold and silver bullion bars. A "Bar" can actually be the technical term used when referring to a standard Good Delivery bar. Commonly a "bar" refers to a shape of a bullion product which has its mass (weight) and purity stamped on the material. A 'Biscuit" is the name given to thinner cast bars, sometimes also referred to as wafers. An "Ingot" is a common description given to the shape of a piece of cast metal. It can refer to non-precious metals as well as bullion, and usually retains the shape of its original cast.
How big is the biggest bar of gold?
The world's largest gold bar stands at 250 kg (551 lb), measuring at the base 45.5 cm × 22.5 cm and 17 cm high with a 5-degree draft angle (equal to 15,730 cm³, or 17.9 in × 8.9 in × 6.7 in ≈ 1062.04 in³)
How much does a standard cast gold bar weigh?
The standard gold bar that's held and traded internationally by central banks and bullion dealers is known as the 'Good Delivery' bar. It typically weighs in at 400 troy ounces (27.5 pounds), and measures 7 inches x 3 and 5/8 inches x 1 and 3/4 inches, however dimensions and weights can vary between different institutions and uses.
How do I invest in gold with gold bars?
You can get started with our free investors guide. Most gold bars weigh one troy ounce. Other common sizes are 5 oz, 10 oz gold bars, and 1 kilo gold bars (32.15 troy oz)
What is the avoirdupois system?
The avoirdupois system is a standard for measuring weight based on there being sixteen ounces in a pound. There are approximately 14.583 troy ounces in an avoirdupois pound (Avoirdupois ounce = 14.583 troy ounces. Precious metals are always quoted in troy ounces (31.1 grams), as opposed to the standard avoirdupois ounce of 28 grams.
What are the scientific weights of gold?
Atomic Mass/weight: 196.96u
The gravity of gold / Density: 19.32 grams per cubic centimeter (Twice as dense as silver)
Number of Neutrons: 118
How much does a COMEX minted gold bar weigh?
COMEX bars range between 95-105 oz based on purity. The most common is 100 oz size at a .9999 purity and is known as the standard for the North American gold futures market. Therefore, each $1 move in the price of gold translates into a $100 change in the value of the gold futures contract.
Does a gold bar weigh differently around the world?
How is a gold bar weighed in India? Tola Biscuit / Bar - 1 tola stands for 3.75 oz or 116.64 gram - 99.9% = standard 10 tola
How is a gold bar weighed in China? Tael Biscuit / Bar -1 Tael equals to 1.20337 oz or 37.429 gram = 5 Tael biscuit / 187 gram
How is a gold bar weighed in Thailand? Baht Biscuit / Bar - 10 Baht equals to 152.44 gram
Can I find a counterfeit gold bar by weighing it?
This is an easy test for any bar that comes from an accredited mint like Perth, Credit Suisse or RMC. The exact weight is stamped into the bar and should weigh EXACTLY that. There are criminal offenses for misrepresenting the weight on a gold bar so if it weighs anything else, you've found a fake. Make sure your scale is balanced before running this test. It is also best to follow this test with a density test to find if the precious metal is throughout the bar or coin.
How much value is lost when this 1 kg 24k gold bar is smashed?
Want to find out how precious you really are? Use the formula below to find how much you weigh in terms of gold and find your weight in gold.
Take the current price per ounce from the price of gold page and multiply that by 16 ounces. Then multiple that number by your current weight in pounds.
How is gold assayed?
An assay is a type of metal analysis used to measure the purity of a certain metal. Typically used to ensure that coins or bars produced by the refiner to reach the purity standards of the manufacturer. Once meeting the standards, i.e. .999 pure or .9999 pure, the metals can be stamped or poured into silver or gold bars and coins. Mints will send their products in individually sealed plastic assay cards to certify the assay is still accurate even after changing hands and sellers.
*All weight comparisons to everyday items are approximations used for visual display purposes only, and may vary in actual size and/or weight.