10.2 ounces = 289.165 grams.
3.5 oz
102 g = 3.598 oz
3.31575242 ounces
There are ~28.35 grams per ounce, very often rounded to 28 grams per ounce, so 102/28 is ~3.64 ounces (using 28). Google does this for you, search "102 grams to ounces."
28.35 grams.
about 85 grams
2.5 grams = 0.08037685815 of a troy oz
8 ounces. Yes it's 1/2 of 1 Lb. 1 oz is 25.4 Grams so 8 oz is about 200g.
340.2 grams.
5 ounces is 141.75 grams.
1.45 ounces is 41.11 grams.
13.5 ounces = 382.72 grams.