Food and drink - Recipes and preparation - Avoirdupois ounce
How many grams are approximately equal to one ordinary avoirdupois ounce?
Correct!
One ordinary avoirdupois ounce equals exactly 28.349523125 grams, or about 28.35 grams when rounded. This unit is used especially in the United States and in English-language product or recipe information. A troy ounce, used for example for gold, is different and weighs about 31.10 grams.


