I don't know what a "grcaco3" is, but if you are asking how to convert from milligrams to grams, the anwer is: divide by 1,000.
You can not convert mg (weight) to volume (ml).
show me how to convert 0.3 mg to grain
One can convert mg to kg by dividing milligrams by 1000.
500 mg
how many fccpu in 1 mg
Multiply by 1000 =72,000 mg
2299 mg
262 mg to ml
Convert ml to oz. then oz. to mg to get 57.51664649 mg.
Milliliters does not convert to milligrams.
It's easy because 'mg' and 'Mg' mean the same thing: milligrams.
Multiply kg by 1,000,000 to get mg