ANSWER
It strongly depends of density of yours foodstuff. For example:
1 US cup contains 236600 milligrams of milk or 307570 milligrams of honey or 47400 milligrams of corn flakes
it is convenient to use cooking calculators like to do calculations of that kind
There are 0.085 milligrams in 0.085 milligrams.
1000 milligrams
25 milligrams
It is 25000 milligrams.
1 gram = 1000 milligrams therefore you have 7500 milligrams
one cup of salt will be equals to 273000.000 milligrams.
100 milligrams
A of sodium is equal to 59.15 grams. This would mean that a quarter of a cup of sodium is equal to 59147.06 milligrams.
You can say: "How many milligrams are in a cup of grapes?". Since a milligram is a unit of mass, you might also say: "What is the mass, in milligrams, of a cup of grapes?"
milligrams = one million. there are 1,000,000 mg in one cup.
a US cup of flour or sugar weighs c. 200grams = 200 000 milligrams
1 metric cup =250millilitres
244 milligrams are present in a cup of juice.
1 US cup of water is 230,000 milligrams
Approximately 226 ml per cup.
Milligrams are MUCH smaller than cups. There are 236588 milligrams in one cup
http://wiki.answers.com/Q/How_many_milligrams_of_liquid_in_a_cup_or_ounce"