how much 435mcg equal 2 mg?

Answer 1

You are not very clear with your question.
But 2 mg = 2000 mcg. So if you want to figure out how often 435 goes into 2000
4.5977011494252873563218390804597701149425287356321839080459770114942528735632183908045977011494252873563218390804597701149425287
is that accurate enough for you or would you like additional decimal places? ;-)