How many grains are in 1 gram?

To determine how many grains are in 1 gram, it's essential to know the conversion factor between grams and grains. The commonly accepted conversion is that 1 gram is equivalent to approximately 15.432 grains.

In this case, since the options provided round the number to whole grains, and 15.432 rounds to 15, the answer of 15 is the most accurate choice in the context given. Therefore, 1 gram is approximately equal to 15 grains, making it the correct answer. Understanding this conversion is crucial for a pharmacy technician, as medications can be measured in various units, including grains and grams, hence the need for accurate conversions.