Assertion: ounce | /r/CapableOf | use this formula
Facets:
value: for an approximation
type: PURPOSE
Source sentences:
text: Perhaps an easy way to compare Troy ounces versus avoirdupois ounces is to look at how they weigh using the metric system One troy ounce weighs 31.1 grams One avoirdupois ounce weighs 28.35 grams How to convert regular ( avoirdupois) ounces to a troy ounce Use this formula for an approximation when converting grocery store type weights to troy ounces.