There are 14.583 troy ounces in one avoirdupois ('regular') pound.
12 oz, it measures on the troy scale.
That is 30 oz.
16.
1lb 4oz 16oz=1lb
1lb = 16oz 196oz x (1lb/16oz) = 12.25lb
1lb = 16oz. 109oz.
there are 16oz in 1lb
16oz = 1lb
16 oz = 1lb So 5lb = 80 oz (5x16)
There are 16 oz in 1lb. Therefore, the answer to your question is that there are no pounds, one ounce.
If you are asking How many oz in 10 pounds (lb), then the answer is 160oz. 1lb=16oz (Avoir du pois - used for usual mass measurement); but 1lb=12oz (troy - used for gold, etc)
1lb =16 oz 25x16 =400 oz