Everyday Calculation

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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 convert weight measurements from grain to ounce and ounce to grain.

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

Result window

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Conversion formula

1 ounce (oz) = 437.5 grain (gr)

1 grain (gr) = 0.0022857 ounce (oz)

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