Ounces to Grains Converter
Convert ounces (oz) to grains (gr)
Result
437.5 gr
Grains
1 oz = 437.5 gr
1 oz in other units
- 1Enter a valueType the number to convert
- 2Pick the unitsChoose what to convert from and to
- 3Read the resultSee it in every other unit too
How to convert ounces to grains
One ounce equals 437.5 grains, so multiply the number of ounces by 437.5.
gr = oz × 437.5
1 oz = 437.5 gr · 1 gr = 0.002285714 oz
Worked example
To convert 5 ounces to grains: 5 oz × 437.5 = 2,187.5 gr.
About ounces (oz)
An ounce is 1/16 of a pound, exactly 28.349523125 g. It is used for food portions in the US and UK.
About grains (gr)
A grain is exactly 64.79891 mg, used for bullets, arrows and some medicines.
More conversions
Ounces to other units
Frequently asked questions
How many grains are in one ounce?
One ounce equals 437.5 grains.
How many ounces are in one grain?
One grain equals 0.002285714 ounces.
How do I convert ounces to grains?
Use the formula gr = oz × 437.5. For example, 5 oz × 437.5 = 2,187.5 gr.