Units of measurement
From value
To value
Calculations
Ounce (oz)
Grain (gr)
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Information
Ounce (oz)
Ounce (oz) — a unit of mass equal to 1/16 of a pound or 28.3495 grams.
Grain (gr)
Grain (gr) — a small unit of mass used in medicine and firearms, equal to 1/7000 of a pound or 64.79891 milligrams.