Is 80 oz or 5 pounds bigger?

To compare 80 ounces and 5 pounds, we need to convert them to the same unit. There are 16 ounces in a pound, so 5 pounds is equal to 80 ounces (5 pounds x 16 ounces/pound = 80 ounces). Therefore, 80 ounces and 5 pounds are equivalent in weight.