Conversion formula

The conversion factor from pounds to ounces is 16, which means that 1 pound is equal to 16 ounces:

1 lb = 16 oz

To convert 20.5 pounds into ounces we have to multiply 20.5 by the conversion factor in order to get the mass amount from pounds to ounces. We can also form a simple proportion to calculate the result:

1 lb → 16 oz

20.5 lb → M_(oz)

Solve the above proportion to obtain the mass M in ounces:

M_(oz) = 20.5 lb × 16 oz

M_(oz) = 328 oz

The final result is:

20.5 lb → 328 oz

We conclude that 20.5 pounds is equivalent to 328 ounces:

20.5 pounds = 328 ounces

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 ounce is equal to 0.0030487804878049 × 20.5 pounds.

Another way is saying that 20.5 pounds is equal to 1 ÷ 0.0030487804878049 ounces.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that twenty point five pounds is approximately three hundred twenty-eight ounces:

20.5 lb ≅ 328 oz

An alternative is also that one ounce is approximately zero point zero zero three times twenty point five pounds.

Conversion table

pounds to ounces chart

For quick reference purposes, below is the conversion table you can use to convert from pounds to ounces