250mg

250 milligrams (mg) is a unit of mass equal to 0.25 grams. The milligram is a metric unit used to express small masses, with 1 mg = 1/1000 of a gram. In other common conversions, 250 mg equals 0.00025 kilograms or 250,000 micrograms (µg). It is also about 3.86 grains, using the common conversion where 1 grain is roughly 64.8 mg.

In medicine and pharmacology, doses are frequently specified in milligrams of the active ingredient. Many pharmaceutical tablets or capsules are formulated with a labeled amount of 250 mg for the active substance, though the therapeutic effect depends on the specific compound and the context of use.

In nutrition and supplements, milligrams are used to quantify minerals, vitamins, and other ingredients. A product may list 250 mg of a given nutrient per serving, but daily requirements vary widely by nutrient, age, sex, health status, and regulatory guidelines.

Practical notes include the distinction between mass and volume. While mg measures weight, the corresponding volume depends on the material’s density, so liquids are often described using mg per milliliter (mg/mL). When dealing with prescriptions or supplements, the actual impact of a 250 mg quantity depends on the substance, its formulation, and applicable safety and regulatory factors.

See also: milligram, gram, dosage, pharmacology, nutrition.