Convert 18 grams into milligrams. *Note: you must use these exact conversion factors to get this question right.
1 pound (lb) = 16 ounces (oz) 1 kilogram (kg) = 1000 grams (g)
1 ton (ton) = 2000 pounds (lb)
1 ounce (oz) = 28.35 grams (g)
1 gram (g) = 1000 milligrams (mg) 1 pound (lb) = 0.454 kilograms (kg)

milligrams
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