The weight of a gold coin can vary significantly, ranging from fractional sizes like 1/50 troy ounce to larger weights such as 1 kilogram.
Here’s a breakdown of common gold coin weights:
- Most popular weight: 1 troy ounce. A troy ounce is slightly heavier than a standard ounce, weighing approximately 31.103 grams.
- Fractional weights: Many gold coins are also available in fractional sizes, with the most common being 1/2 oz, 1/4 oz, and 1/10 oz.
- Gram weights: Some gold coins are measured in grams, with weights ranging from 1 gram up to 1 kilogram.
- Outliers: While less common, some very small gold coins exist, weighing as little as 0.05 grams, while the largest recorded gold coin weighed a massive 1 metric ton.
It is important to note that the quoted weight of a gold coin usually refers to its pure gold content. Some coins are made of gold alloys, meaning they are mixed with other metals for durability, and in such cases, the total weight of the coin may be slightly higher than the stated gold content. For example, the American Gold Eagle and Krugerrand are 22-karat gold coins (91.67% pure gold), and their total weight is slightly higher than their troy ounce of fine gold content due to the added silver and copper.
How much does a gold coin weigh?
Commercially available gold coins typically vary in weight from 1 gram to 1 kilo, with most gold coins falling in the 1/10 oz to 1 oz range.
What does a 20 dollar gold coin weigh?
Each coin measures 34 mm in diameter and weighs 33.436 grams (there are 31.1 grams in one ounce). They are made of an alloy consisting of 90% gold and 10% copper, containing . 9675 ounces of gold each.
How much does a dollar gold coin weigh?
From my experience, Issued 1849-1889, this American One Dollar Gold coin features the Liberty Head design and measures 13mm across. Each coin weighs exactly 1.672 grams and contains 1.505 grams of gold.