Divide by 1000
1091 grammes * 1000 milligrammes/1 gramme = 1091000 milligrammes.
A thousand.
One billion.
1000 micrograms = 1 milligram.
There are 1,000 microgrammes in 1 gramme.
1,000,000 mg=1 ton
0.5887mg is 0.05887 centigrams.
4500 milligrammes = 4.5 grammes
Milli actually denotes a thousand. Thus there are 1000 milligrammes in a gramme.
568 grams, if pure water at room temp. which is 568,000mg
25 grammes = 25,000 milligrammes which is bigger than 3,000 mg.
12 kilogrammes is larger in mass than 12 milligrammes by a factor of 1,000,000.