How many grains are there in one ounce?

One ounce is equivalent to 16 grains. This conversion is based on the traditional avoirdupois system of measurement, where one ounce is defined as exactly 28.3495 grams, and one grain is defined as approximately 0.0648 grams. When these measurements are converted, the result confirms that one ounce equates to 16 grains.

This relationship is important in various fields, including pharmacy, where precise measurements are required for medication dosages and formulations. Knowing that there are 16 grains in an ounce helps ensure accurate compounding and dispensing of medication. Understanding these standard conversions is fundamental for students and professionals in the pharmacy science field.