Calculators » Conversion » Weight » Gr to oz/ Oz to gr

Convert between Grain and Ounce

Our online tools will provide quick answers to your calculation and conversion needs. On this page, you can calculate weight/ mass unit conversion from grains to ounces and ounces to grains.

Weight in grain (gr)

Weight in ounce (oz)

Enter the value you want to convert, and leave the target field blank.

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Conversion formula

1 ounce (oz) = 437.5 grains (gr)
or,
1 grain (gr) = 0.0022857 ounces (oz)

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