how many grams is a half ounce

A half ounce is approximately 14.17 grams. To be precise:

• 1 ounce = 28.3495 grams
• Therefore, 0.5 ounce = 28.3495 ÷ 2 = 14.17475 grams

You can round it to 14.17 grams for most practical purposes.