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# How do you convert milligrams to milliliters?

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In order to convert milligrams to milliliters, one must know the density of the substance; if the density is measured in milligrams per milliliter, the milligrams of mass of the object being measured are divided by the density of the substance to determine the volume in millimeters. Because density is generally not listed in milligrams per milliliter, it is likely that some calculations must be done to convert the density into the appropriate units.

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Credit: Horia Varlan CC-BY 2.0

To convert 1,000 milligrams of milk into millileters, one must first determine the density of the milk, which is 1.03 grams per cubic centimeter. A simple mathematical conversion indicates that this density is equivalent to 1,030 milligrams per millileter because there are 1,000 milligrams in a gram and a cubic centimeter is equal to a millimeter. Dividing the 1,000 milligrams of mass by the density of 1,030 milligrams per millileter results in a volume of 0.97 millilters.

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## Related Questions

• A:

Converting 385 milliliters to grams requires knowledge of the liquid being measured, but if the liquid is pure water, the conversion is 1-to-1 making 385 milliliters 385 grams.

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• A:

To convert milligrams (mg) to milliliters (ml), the number of milligrams must be multiplied by the density of the liquid, which equals the volume in liters,and then divided by 1,000 to convert liters to milliliters. The density of each liquid is unique.

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• A:

The formula for density, which is mass divided by volume, can be manipulated to have the volume as the unknown. Given the mass and the density, the volume can be found by dividing the mass by the density.