Question

What is the conversion factor between grains and milligrams?

1) 1 gr = 60 mg
2) 1 gr = 100 mg
3) 1 gr = 10 mg
4) 1 gr = 50 mg

Answer 1

The accurate conversion factor between grains and milligrams is approximately 1 grain = 64.79891 milligrams, which means the closest given choice would be 1 grain = 60 milligrams.

Step-by-step explanation:

Conversion Factor Between Grains and Milligrams

The conversion factor between grains and milligrams is that 1 grain (gr) is equal to 64.79891 milligrams (mg). None of the options provided precisely match the accurate conversion, but the closest answer from the given choices would be 1 gr = 60 mg. However, please note that this is an approximation, and the exact value is slightly higher.

To convert grains to milligrams, you would multiply the number of grains by the conversion factor. For instance, if you have 2 grains, you would calculate 2 gr × 64.79891 mg/gr which equals approximately 129.59782 mg.

Similarly, if you need to convert from milligrams to grains, you divide the number of milligrams by the conversion factor. Using mathematical operations like multiplication and division is essential for conversions between units of mass such as grams, milligrams, and grains.