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Easy to do. There are about 0.064 grams in one grain. Therefore, use this formula to convert grains to grams: grains x 0.064 = grams

- Your example: 21 grains x 0.064 = about 1.360 grams

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Multiply the number of grams by 1,000 to convert to milligrams, so 21 grams equals 21,000 milligrams.

Q: How do you convert 21 grains to grams?

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Conversion: grains x 0.064 = grams

35.2 grains = about 2.280 grams.

Hey i am not in your class, but i took AP Chem in high school with AP Bio and i think i have your solution. The thing is when you look at Grains (a unit of measure that pharmacy's [pills] use) that can be converted into grams. Now once you got those grams you want to convert them to kilograms. From then Kilograms to Moles and Moles can then be converted into Molecules =) (remember moles = 6.24 X 10 ^ 23) =) Bye!!

16250 grams.

2.5g = about 38.6gr

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Conversion: grains x 0.064 = grams

To convert grains to grams, multiply by 0.06479891. So in 30 gr, there are 30x0.06479891=1.9 g

22.679 grams = 350 grains

800 grains = about 51.839 grams.

30 grains = about 1.943 grams.

3.9 grams : 60.18 grains

35.2 grains = about 2.280 grams.

3.5 grams = about 54.013 grains.

15 grains = about 0.971 grams.

185 grains = about 11.987 grams.

500 grams : 7716.18 grains

Six grains = about 0.388 grams.