One milligram is equal to 1000 milligram. Mg is the unit of mass, and mL is the unit of volume. There is no direct conversion relationship between the two. If it is liquid, mass = volume * density, that is,1000g =1kg =100000mg. L = 1000 ml, i.e. 1 ml.

Conversion of milligrams

The symbol of mg is mg, which is an internationally accepted unit of mass. The conversion between mass units is in thousands, so 1 mg is equal to 0.00 1 g, carat is often used as the unit of measurement in gemstones, 1 carat is equal to 0.2g, that is to say, 1 carat is equal to 200mg. Diamonds below the carat level are usually measured by points. 1 carat equals 100 point, that is to say, 1 point equals 2 mg. So, an ordinary 30-cent diamond weighs 60 milligrams.