How do you convert 3.5 pounds into ounces?

There are 16 ounces in 1 pound. So, to convert 3.5 pounds into ounces, we can multiply 3.5 by 16:

$$3.5 \text{ pounds } \times \frac{16 \text{ ounces}}{1 \text{ pound}}= 56 \text{ ounces}$$

Therefore, 3.5 pounds is equal to 56 ounces.