# How Many Milliliters to One Milligram?

Since a milligram is a unit of mass and a milliliter is a unit of volume, it's not possible to convert directly one to the other. However, if you know the density of the substance, you can calculate it. For example, 1ml of water at room temperature has a mass of 1 gram (or 1000 mg).
Q&A Related to "How Many Milliliters to One Milligram?"
 1. Divide the value of 1 mg by 1,000 to convert it into units of grams (g) This conversion will change the units of the mass value so it is 0.001 g rather than 1 mg. 2. Divide the http://www.ehow.com/how_8686008_convert-milligram-...
 No answer is possible because grams are mass and liters are volume. You must stipulate a material (or at least a density) to get an answer. If the substance were water with a density http://wiki.answers.com/Q/How_many_milligrams_are_...
 The answer is 100 milligrams is 1000 milliliters. ! http://www.chacha.com/question/what-is-100-milligr...
 One milliliter of water weighs one milligram. One milligram of other substances will weigh more or less, depending on density. http://www.kgbanswers.com/how-many-milliliters-are...