How many milligrams are in 1 grain?

One grain is equivalent to approximately 65 milligrams. This measurement is particularly relevant in pharmacy and medicine, where both metric and imperial units are used in prescribing and dispensing medications.

The grain is an ancient unit of mass that has largely fallen out of common use in everyday life but is still applied in specific contexts like pharmaceuticals. The conversion factor is based on the historical definition of a grain being equal to a specific fraction of a particular grain of wheat, which has been standardized to the metric system.

Understanding this conversion is crucial for healthcare professionals when interpreting prescriptions or administering medications, as doses may be expressed in grains rather than milligrams. This knowledge ensures accurate medication dosing and patient safety.