How many mg are there in mg?

Answer 1

This questin is a little confusing, so I'll assume you mean "how many milligrams in a gram.

In that case:

1g = 1000mg

for further assistance:

1 microgram = .001 milligrams = .000001 grams

1 gram = 1,000 milligrams = 1,000,000 micrograms