Question: 1 mcg is how many ml?
Answer: 1 microgram (mcg or µg) = weight of 0.001 milliliters (ml) of pure water at temperature 4 °C = 0.001 grams (g) = 0.001 milligrams (mg) = 0.000001 kilogram (kg) = 0.0000000352739619 ounces (oz).