Milliliters are a measure of volume.
Micrograms are a measure of mass (weight).
Without knowing the atomic weight of the substance it is not possible to calculate the answer for you.
1000
1000 mcg equals 1 mg.
1000 mcg equals 1 mg.
25mcg equals 0.025mg
There are 75,000 mcg in 75 mg.
1cm3 = 1ml
1000 mcg=1mg
12mcg
1 mg = 1,000 mcg so 130 mg = 130,000 mcg. Simple!
1ml is 1/5 of a standard US teaspoon.
2100mg equals 2,100,000 mcg (1000mcg per mg).
1ml=1cc