Ounces to Grains Converter
CommonKilograms, pounds, ounces, stones and more.
How to convert Ounces to Grains
Multiply the ounces value by 437.5: 1 oz = 437.5 gr. Going the other way, 1 gr = 0.00228571 oz, so divide by 437.5 or use the Grains to Ounces converter.
About these units
Ounces (oz)
An avoirdupois ounce is one sixteenth of a pound, about 28.35 grams. It is used for food portions and postal weights, and is not the same as a fluid ounce, which measures volume.
Grains (gr)
A grain is 1/7,000 of a pound, exactly 64.79891 milligrams. It is still used for bullet and arrow weights and some pharmaceutical measures.
Ounces to Grains conversion table
| Ounces (oz) | Grains (gr) |
|---|---|
| 1 oz | 437.5 gr |
| 2 oz | 875 gr |
| 3 oz | 1,312.5 gr |
| 4 oz | 1,750 gr |
| 5 oz | 2,187.5 gr |
| 10 oz | 4,375 gr |
| 20 oz | 8,750 gr |
| 25 oz | 10,937.5 gr |
| 50 oz | 21,875 gr |
| 100 oz | 43,750 gr |
| 500 oz | 218,750 gr |
| 1,000 oz | 437,500 gr |
More ounces conversions
- Ounces to Pounds1 oz = 0.0625 lb
- Ounces to Stones1 oz = 0.00446429 st
- Ounces to Tons US1 oz = 3.125e-5 ton (US)
- Ounces to Tons UK1 oz = 2.7902e-5 ton (UK)
- Ounces to Hundredweights US1 oz = 0.000625 cwt (US)
- Ounces to Hundredweights UK1 oz = 0.000558036 cwt (UK)
- Ounces to Drams1 oz = 16 dr
- Ounces to Kilograms1 oz = 0.0283495 kg
- Ounces to Atomic Mass Units1 oz = 1.7072e+25 u
- Ounces to Troy Ounces1 oz = 0.911458 oz t
- Ounces to Earth Mass1 oz = 4.7439e-27 M⊕
See every unit on the Weight Converter.