In the metric system, "milli" is the prefix for thousandths, or 10 -3. The milligram, or milligramme, is an SI unit of mass in the metric system. The milligram is a unit of mass equal to 1/1,000 of a gram, or 0.0154 grains. Keep reading to learn more about each unit of measure. It is common to mix powdered chemicals with liquid, or aqueous, chemicals, and this is where it becomes very useful to convert between weights and volumes. When performing chemical reactions by combining separate chemicals to produce a new chemical, one must know the exact amount of each chemical to add in order to maximize the yield of the reaction. When a scale is not available, a calculator like the one above is a good way to estimate the weight to volume conversion.Īnother useful application of weight and volume conversions is chemistry. The best way to ensure an accurate conversion is to use a scale. The density of dry ingredients can vary for a variety of reasons, such as compaction and clumping. Milligrams and teaspoons are both commonly used to measure cooking ingredients.įor cooking applications, most chefs suggest measuring dry ingredients by weight rather than volume to improve accuracy in the measurements. Teaspoons = 5,000 mg / 4,928.922 × 0.7 g/mL = 1.4492 tsp When to Convert Milligrams to Teaspoons If the density is given in grams per milliliter (g/mL), then first multiply the density by 4,928.922 to convert to mg/tsp.įor a density given in g/mL, you can use this simple formula to convert: Note that in order for this to work, the density must be in milligrams per teaspoon (mg/tsp). To convert a measurement in milligrams to teaspoons, divide the weight by the density of the ingredient or material. Therefore, to convert between milligrams and teaspoons of an ingredient or substance, we must either multiply or divide by its density, depending on which direction we are performing the conversion. In this case, we need to account for the density of the substance whenever we do a conversion. Since milligrams are a unit of mass and teaspoons are a unit of volume, which are different physical quantities, we need to know one more physical quantity of the ingredient or substance to convert between them. He specializes in math, science, and astrophysics.
Ethan has a PhD in astrophysics and is currently a satellite imaging scientist.
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