The brain sends messages through the spinal cord and nerves of the peripheral nervous system to control the movement of the muscles and the function of internal organs. The basic working unit of the nervous system is a cell called a neuron.
To convert gram to ounce, divide it by 28.3495231. To convert troy ounce to grams, multiply it by 31.1034768. To convert gram to troy ounce, divide by 31.1034768. So half ounce is equal to 28.3495231/2 Grams, which is equal to 14.17476155 grams.
You asked: How much does a half ounce weigh in grams? I expect the answer you are looking for is the one already given in another answer, which is 0.5 ounce = 14.174 761 563 gram . As that writer says, the 28grams=1ounce is not wrong, it is a degree of perfection or accuracy for the context in which you seek your answer.