30 mg is equivalent to how many grains?

Prepare for the Washington State Veterinary Medication Clerk Test. Study with detailed questions and answers, with practical hints and explanations to guide you. Ace your exam by practicing with our resources!

Multiple Choice

30 mg is equivalent to how many grains?

Explanation:
Grains are a traditional mass unit used in medication dosing. One grain is about 64.8 mg. To convert milligrams to grains, divide by 64.8. So 30 mg equals 30 ÷ 64.8 ≈ 0.463 grain. That’s closest to a half grain (0.5 grain), since 1/4 grain would be about 16 mg and 1 grain about 65 mg, with 2 grains about 130 mg. Therefore, 30 mg is roughly half a grain.

Grains are a traditional mass unit used in medication dosing. One grain is about 64.8 mg. To convert milligrams to grains, divide by 64.8. So 30 mg equals 30 ÷ 64.8 ≈ 0.463 grain. That’s closest to a half grain (0.5 grain), since 1/4 grain would be about 16 mg and 1 grain about 65 mg, with 2 grains about 130 mg. Therefore, 30 mg is roughly half a grain.

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