About the Units
ounce (oz)
A unit of mass equal to 1/16 of a pound or approximately 28.35 grams.
grain (gr)
A unit of mass equal to 64.79891 milligrams, originally based on the weight of a grain of barley.
Common Conversions
- 1 oz = 437.49997 gr
- 0.0022857145 oz = 1 gr