It's a unit of measurement
Ounces and feet are units of measurement in the English system.
12 + 16 + 12 + 12 = 52
10,240 ounces
224 ounces
She will have 18 ounces left. There are 16 ounces to a pound. She has 2 pounds, that equals a total of 32 ounces. Then subtract 14 ounces from 32 ounces and the total amount left is 18 ounces.
124 ounces
224 ounces
Silverplate that uses 4 ounces per 144 plated teaspoons
The system of measurement that uses ounces is the avoirdupois system. This system is commonly used in the United States for measuring weight, particularly for food and beverages.
Almost everyone uses the conversion of 16 ounces per pound, although I read once that it's actually slightly more.
This would be equivalent to 10,240 ounces of paper per year.
"Ounces" is not part of the metric system.