For converting in the U.S. Customary system, we make a table of the 2 units being converted: (How many ounces in 5 pounds?)

ounces | pounds

16 1

32 2

48 3

64 4

80 5

so my answer is 80 ounces in five pounds

ounces | pounds

16 1

32 2

48 3

64 4

80 5

so my answer is 80 ounces in five pounds