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The gram (abbreviation and symbol: g) is the unit of mass in the metric system (SI, International System of Units). 1 gram (g) = 1000 milligrams (mg) = 0.001 kilogram (kg) = 0.0352739619 ounces (oz) = 0.00220462262 pounds (lbs) = 0.000157473044 stones (st). All Calculators Email this page Send this page to a friend
There are 1000 mg in a gram - hence the prefix milli. There are approx. 60 mg in a grain measurement. I say approx. because the actual formula of grain to gram conversion works out to be about 10 millionths behind the decimal so it rounds to 0.060 gram or 60 mg! Hope this helps.