24.
87.6 mg = 0.0876 grams
1 gram = 1000 milligrams so 24 grams = 24*1000 mg - 24,000 mg. Simple!
3000 mg
2000 mg
500 mg is equal to 1/2 of a gram or 0.5 grams.
0.526 grams
255mg is equal to 0.255 grams (mg divided by 1,000 OR mg x 0.001 = grams)** 1 gram = 1000mg
8
1 gram = 1,000 mg . . . 7 grams = 7,000 mg
2.5grams=2500 mg
1 mg = .001 grams, so 2632.4 mg = 2.6324 grams.