16 ounces = 1lb = 454 grams approximately. Divide 1.5g by 454g to cancel units, then multiply by 16oz to apply the units you desire. 1.5 grams = ~0.052863 ounces
Rounded to two decimal places, 15 ounces is equal to 425.24 grams.
1.5 ounces = 42.5242847 grams
Rounded to three decimal places, 15 grams is equal to 0.529 ounces.
15 g = 0,529 109 4 ounce
15 ounces = 425.2 grams