It's 20g, because 1000mg=1g
20g = 20000mg.
Convert all values to grams. 2000 cg x 1 g/100 cg = 20 g; 25300 mg x 1 g/1000 mg =25.3 g; 2.5 kg x 1000 g/1 kg =2500 g; 2.5 kg are the largest value.
There are 20 grams in 20,000 milligrams because there are 1,000 milligrams in a gram.
one
5600 g
6000g
258,000 g
There are no G's
1470 g
2000 g
-1 * * * * * Actually, it is +1
it has 1 g