How to Calculate & Convert Ounce to Grain
Enter the required input values below to calculate and convert ounce [oz] to grain [gr], or In Reverse.

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Ounce to Grain Conversion Table
| Ounce [oz] | Grain [gr] |
|---|---|
| 0.01 oz | 4.375 gr |
| 0.1 oz | 43.7499999999 gr |
| 1 oz | 437.4999999988 gr |
| 2 oz | 874.9999999977 gr |
| 3 oz | 1312.4999999965 gr |
| 5 oz | 2187.4999999941 gr |
| 10 oz | 4374.9999999883 gr |
| 20 oz | 8749.9999999765 gr |
| 50 oz | 21874.999999941 gr |
| 100 oz | 43749.999999883 gr |
| 1000 oz | 437499.99999883 gr |
How to Convert Ounce to Grain
1 oz = 437.4999999988 gr
1 gr = 0.0022857143 oz
Example: convert 15 oz to gr:
15 oz = 15 × 437.4999999988 gr = 6562.4999999824 gr