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.
Quarter Ounce of Weed. 1 Quarter = 2 Eighths = 7 Grams. The quarter ounce of weed is typically referred to as the quad and comes in at seven grams in weight. This amount of marijuana will last you quite a while, perfect for that big party of if you are going to be laid up recovering from an injury for quite some time.