1091 grammes * 1000 milligrammes/1 gramme = 1091000 milligrammes.
A thousand.
One billion.
0.5887mg is 0.05887 centigrams.
4500 milligrammes = 4.5 grammes
Milli actually denotes a thousand. Thus there are 1000 milligrammes in a gramme.
Divide by 1000
568 grams, if pure water at room temp. which is 568,000mg
17 ounces (US) = 481.94189 grammes, so, as there are 1,000 milligrammes in a gramme, it would equal 481,941.89 milligrammes
A ton is the same as 1 ton.
Ummm....do you mean how many Ib's are in a ton? 1 ton=2000 pounds
25 grammes = 25,000 milligrammes which is bigger than 3,000 mg.