To convert from microgram to gram, you need to divide by 1000.
1 milligram contains 0.0666... (repeating) lots of 15000 mcg.
one mg is in one mg
3500 mg
1?
1 mg ÷ 0.125 mg = 8
500 mg
76890 mg.
100
632,000 mg
One
320,000,000 mg
15,200 mg
24,000 mg