How much does a grain of salt weigh???

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  • 1 decade ago
    Favorite Answer

    1 grain = .064799 grams

    1 gram = 15.43258 grams

    1000 gram = 1 kg

    http://www.digitaldutch.com/unitconverter/

    so 1 grain = .064799 grams = .000064799 kg.

    Since Weight = mass* gravity,

    Weight = 0.000064799 * 9.81 m/s^2,

    1 grain weights 0.00063567819 Newtons, or in scientific notation,

    6.3567819 E-4 Newtons.

    • ...Show all comments
    • Yeah, the best answer here is saying that a grain of salt weighs 64 milligrams. I weigh stuff out all the time at work on an analytical balance. I'm at home now so I can't test it, but there's no way a grain of salt weighs 64 mg. I think the 60 to 100 micrograms might be closer.

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  • 6 years ago

    This refers to the measure "grain" originally as in grains of wheat. A 0.3 grain of table salt has a mass of about 60 to 100 micrograms.

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  • 6 years ago

    The answer, .064 g, or 64 milligrams is absurdly wrong. If you put a grain of table salt on an analytical balance it will weigh less than ONE milligram.

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  • Anonymous
    5 years ago

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