The Erie Canal is famous in song and story. Proposed in 1808 and completed in 1825, the canal links the waters of Lake Erie in the west to the Hudson River in the east. An engineering marvel when it was built, some called it the Eighth Wonder of the World.
Quick Answer. There are 7.09 grams in one-quarter of an international avoirdupois ounce, which is the most commonly used measure of ounces, as of 2014. There are 7.78 grams in one-quarter of a troy ounce, which is commonly used for measuring the mass of precious metals.
The Troy Ounce is part of a larger measurement system for precious metals that is known as Troy weights. A regular Ounce is comprised of 28.35 grams. A Troy Ounce, however, is comprised of 31.1034807 grams. As you can see, there isnât much of an overall difference between the two types of Ounces, but when it comes to gold weight, that extra 2 or 3 grams affects the size of the finished product.