Convert Pounds to Ounces
Use our free online converter to easily convert from Pounds to Ounces. Get accurate conversions instantly.
Converting Pounds to Ounces
Converting pounds to ounces is a common conversion within the imperial system, used in cooking, retail, shipping, and everyday measurements in the United States and other countries using imperial units.
Mathematical Relationship
The mathematical relation between pounds and ounces is: 1 pound = 16 ounces. To convert a mass in pounds to ounces, multiply the pound value by 16.
Common Conversion Values
| Pounds | Ounces |
|---|---|
| 0.25 | 4 |
| 0.5 | 8 |
| 1 | 16 |
| 2 | 32 |
| 5 | 80 |
Unit Definitions
Pounds
The pound (symbol: lb) is a unit of mass in the imperial and US customary systems of measurement. The international avoirdupois pound is defined as exactly 0.45359237 kilograms.
Ounces
The ounce (symbol: oz) is a unit of mass in the imperial and US customary systems, equal to 1/16 of a pound. It is commonly used for measuring smaller masses, particularly in cooking, postal services, and retail.
Historical Context
Both the pound and ounce have ancient origins. The relationship of 16 ounces to 1 pound comes from the avoirdupois system, which became standardized in England around the 13th century and is now used throughout the English-speaking world.