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.
1 Troy Ounce = 31.1034768 Grams. For other weight units conversion, please go to Weight Conversion. The conversion factor for weight units ounces to grams is 28.3495231. If the conversion is from troy ounces (for precious metals, gold, jewellery etc), it is 31.1034768. To find out how many grams in ounces, multiply by the conversion factor or simply use the converter below. 1 Ounce = 28.3495231 Grams. Ounce is a unit of mass (weight) in united states customary and imperial measurement systems. It is also used as a volume unit but then simply meant as fluid ounces which equals to about 30 milliliters in U.S. customary system.