Ounces to Grains
Type a value in oz and the gr equivalent appears instantly.
How to convert oz to gr
Multiply the oz value by 437.5.
1 oz = 437.5 gr
Quick conversion table
| oz | gr |
|---|---|
| 1 | 437.5 |
| 2 | 875 |
| 5 | 2187.5 |
| 10 | 4375 |
| 20 | 8750 |
| 50 | 21875 |
| 100 | 43750 |
| 500 | 218750 |
| 1000 | 437500 |
About the units
Ounces (oz): 1/16 of a pound, about 28.35 g. Food portions and postage in the US.
Grains (gr): The old apothecary unit: exactly 64.79891 mg. Bullets, arrows and gunpowder are still measured in grains.