Question: how much mcg in 1 ml?
Answer: micrograms to milliliters Weight of 1 milliliter (ml) of pure water at temperature 4 °C = 1000 microgram (mcg or µg) = 1 cubic centimeter (cc, cm3) = 0.0338140227 US fluid ounces (fl. oz) = 0.001 L (Liter, the official SI unit of volume).