Convert 21 lb to oz

Then to convert 21 pounds to ounces, we have as a result:

Definition of pounds

The pound (lb) is a unit of mass used since Ancient Rome. The word (derived from Latin) means "scale or balance", and is still the name of the main unit of weight and mass now used only in the united States and, informally, in some other countries, such as Cuba.

Definition of ounces

The ounces (symbol: oz) is a unit of mass used since Ancient Rome in order to weigh more accurately the goods and other articles, especially if their weight was less than a pound roman. It is a measure of weight that equals to 28,70 grams.

Calculate how much are 21 pounds in ounces

To know how to convert 21 lb to oz (pounds to ounces) we have performed the following calculation:

21 x 16 = 336

Where: We multiply the value of 21 lb by 16 to obtain the result of 336 oz. Also remember that 1 pounds it is equivalent to 16 ounces.