320 oz.
The phrase "640 oz" has no weight.An object that weighs 640 ounces weighs 40pounds.
16 oz = 1 lb
3 lbs.
1 lbs = 16 oz so 6 lbs 8 oz + 10 lbs 12 oz = 17 lbs 2 oz
30 lbs.
250 grams is 0 lbs 8 oz
They weigh twelve oz to two lbs
1.25 lbs = 20 oz
6 Lbs. 15 oz.
3 lbs 4 oz
2 Lbs 8 Oz
2 pounds 5 oz = 1,048.93 grams
112 oz.
60.8 oz
320 oz.
200 oz.