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Grains to milligrams converter

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Our online tools will provide quick answers to your calculation and conversion needs. On this page, you can convert weight values from grains to milligrams and milligrams to grains.

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

Result window

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Conversion formula

1 milligram = 0.0154324 grains
1 grain = 64.79891 milligrams

The symbols used are gr for grain and mg for milligram.

Sample conversion

Convert 60 grains to milligrams

60 gr = 60*64.79891 mg = 3887.9346 mg

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