How many milligrams are in 1 grain?

One grain is equivalent to approximately 60 milligrams. The grain is an old unit of measurement that is still used in some medical contexts, particularly in pharmacology and when discussing certain medications. Understanding this conversion is crucial for LPNs, as it helps ensure accurate dosing and administration of medications.

The historical significance of the grain contributes to its use in the medical field, especially for specific drugs that are prescribed in grain measurements. Knowing the conversion helps prevent mistakes in medication administration, ensuring patient safety.

The other options do not reflect the accepted conversion for grains to milligrams, making them incorrect in this context. Accurate knowledge of such conversions enhances the competence of nursing professionals in clinical practice.